21681931320

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{1879}}^1$

素因数の和:2163

約数の個数: 384

約数和(自身を含む): 85168512000

約数和(自身を除く): 63486580680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 105, 114, 120, 126, 133, 140, 152, 168, 171, 180, 190, 210, 228, 241, 252, 266, 280, 285, 315, 342, 360, 380, 399, 420, 456, 482, 504, 532, 570, 630, 665, 684, 723, 760, 798, 840, 855, 964, 1064, 1140, 1197, 1205, 1260, 1330, 1368, 1446, 1596, 1687, 1710, 1879, 1928, 1995, 2169, 2280, 2394, 2410, 2520, 2660, 2892, 3192, 3374, 3420, 3615, 3758, 3990, 4338, 4579, 4788, 4820, 5061, 5320, 5637, 5784, 5985, 6748, 6840, 7230, 7516, 7980, 8435, 8676, 9158, 9395, 9576, 9640, 10122, 10845, 11274, 11970, 13153, 13496, 13737, 14460, 15032, 15183, 15960, 16870, 16911, 17352, 18316, 18790, 20244, 21690, 22548, 22895, 23940, 25305, 26306, 27474, 28185, 28920, 30366, 32053, 33740, 33822, 35701, 36632, 37580, 39459, 40488, 41211, 43380, 45096, 45790, 47880, 50610, 52612, 54948, 56370, 60732, 64106, 65765, 67480, 67644, 68685, 71402, 75160, 75915, 78918, 82422, 84555, 86760, 91580, 96159, 101220, 105224, 107103, 109896, 112740, 118377, 121464, 128212, 131530, 135288, 137370, 142804, 151830, 157836, 160265, 164844, 169110, 178505, 183160, 192318, 197295, 202440, 206055, 214206, 225480, 236754, 249907, 256424, 263060, 274740, 285608, 288477, 303660, 315672, 320530, 321309, 329688, 338220, 357010, 384636, 394590, 412110, 428412, 452839, 473508, 480795, 499814, 526120, 535515, 549480, 576954, 591885, 607320, 641060, 642618, 676440, 714020, 749721, 769272, 789180, 824220, 856824, 905678, 947016, 961590, 999628, 1071030, 1153908, 1183770, 1249535, 1282120, 1285236, 1358517, 1428040, 1442385, 1499442, 1578360, 1606545, 1648440, 1811356, 1923180, 1999256, 2142060, 2249163, 2264195, 2307816, 2367540, 2499070, 2570472, 2717034, 2884770, 2998884, 3169873, 3213090, 3622712, 3748605, 3846360, 4075551, 4284120, 4498326, 4528390, 4735080, 4998140, 5434068, 5769540, 5997768, 6339746, 6426180, 6792585, 7497210, 8151102, 8603941, 8996652, 9056780, 9509619, 9996280, 10868136, 11245815, 11539080, 12679492, 12852360, 13585170, 14994420, 15849365, 16302204, 17207882, 17993304, 18113560, 19019238, 20377755, 22491630, 25358984, 25811823, 27170340, 28528857, 29988840, 31698730, 32604408, 34415764, 38038476, 40755510, 43019705, 44983260, 47548095, 51623646, 54340680, 57057714, 60227587, 63397460, 68831528, 76076952, 77435469, 81511020, 86039410, 89966520, 95096190, 103247292, 114115428, 120455174, 126794920, 129059115, 142644285, 154870938, 163022040, 172078820, 180682761, 190192380, 206494584, 228230856, 240910348, 258118230, 285288570, 301137935, 309741876, 344157640, 361365522, 380384760, 387177345, 481820696, 516236460, 542048283, 570577140, 602275870, 619483752, 722731044, 774354690, 903413805, 1032472920, 1084096566, 1141154280, 1204551740, 1445462088, 1548709380, 1806827610, 2168193132, 2409103480, 2710241415, 3097418760, 3613655220, 4336386264, 5420482830, 7227310440, 10840965660, 21681931320]

約数ペア:

[(1, 21681931320), (2, 10840965660), (3, 7227310440), (4, 5420482830), (5, 4336386264), (6, 3613655220), (7, 3097418760), (8, 2710241415), (9, 2409103480), (10, 2168193132), (12, 1806827610), (14, 1548709380), (15, 1445462088), (18, 1204551740), (19, 1141154280), (20, 1084096566), (21, 1032472920), (24, 903413805), (28, 774354690), (30, 722731044), (35, 619483752), (36, 602275870), (38, 570577140), (40, 542048283), (42, 516236460), (45, 481820696), (56, 387177345), (57, 380384760), (60, 361365522), (63, 344157640), (70, 309741876), (72, 301137935), (76, 285288570), (84, 258118230), (90, 240910348), (95, 228230856), (105, 206494584), (114, 190192380), (120, 180682761), (126, 172078820), (133, 163022040), (140, 154870938), (152, 142644285), (168, 129059115), (171, 126794920), (180, 120455174), (190, 114115428), (210, 103247292), (228, 95096190), (241, 89966520), (252, 86039410), (266, 81511020), (280, 77435469), (285, 76076952), (315, 68831528), (342, 63397460), (360, 60227587), (380, 57057714), (399, 54340680), (420, 51623646), (456, 47548095), (482, 44983260), (504, 43019705), (532, 40755510), (570, 38038476), (630, 34415764), (665, 32604408), (684, 31698730), (723, 29988840), (760, 28528857), (798, 27170340), (840, 25811823), (855, 25358984), (964, 22491630), (1064, 20377755), (1140, 19019238), (1197, 18113560), (1205, 17993304), (1260, 17207882), (1330, 16302204), (1368, 15849365), (1446, 14994420), (1596, 13585170), (1687, 12852360), (1710, 12679492), (1879, 11539080), (1928, 11245815), (1995, 10868136), (2169, 9996280), (2280, 9509619), (2394, 9056780), (2410, 8996652), (2520, 8603941), (2660, 8151102), (2892, 7497210), (3192, 6792585), (3374, 6426180), (3420, 6339746), (3615, 5997768), (3758, 5769540), (3990, 5434068), (4338, 4998140), (4579, 4735080), (4788, 4528390), (4820, 4498326), (5061, 4284120), (5320, 4075551), (5637, 3846360), (5784, 3748605), (5985, 3622712), (6748, 3213090), (6840, 3169873), (7230, 2998884), (7516, 2884770), (7980, 2717034), (8435, 2570472), (8676, 2499070), (9158, 2367540), (9395, 2307816), (9576, 2264195), (9640, 2249163), (10122, 2142060), (10845, 1999256), (11274, 1923180), (11970, 1811356), (13153, 1648440), (13496, 1606545), (13737, 1578360), (14460, 1499442), (15032, 1442385), (15183, 1428040), (15960, 1358517), (16870, 1285236), (16911, 1282120), (17352, 1249535), (18316, 1183770), (18790, 1153908), (20244, 1071030), (21690, 999628), (22548, 961590), (22895, 947016), (23940, 905678), (25305, 856824), (26306, 824220), (27474, 789180), (28185, 769272), (28920, 749721), (30366, 714020), (32053, 676440), (33740, 642618), (33822, 641060), (35701, 607320), (36632, 591885), (37580, 576954), (39459, 549480), (40488, 535515), (41211, 526120), (43380, 499814), (45096, 480795), (45790, 473508), (47880, 452839), (50610, 428412), (52612, 412110), (54948, 394590), (56370, 384636), (60732, 357010), (64106, 338220), (65765, 329688), (67480, 321309), (67644, 320530), (68685, 315672), (71402, 303660), (75160, 288477), (75915, 285608), (78918, 274740), (82422, 263060), (84555, 256424), (86760, 249907), (91580, 236754), (96159, 225480), (101220, 214206), (105224, 206055), (107103, 202440), (109896, 197295), (112740, 192318), (118377, 183160), (121464, 178505), (128212, 169110), (131530, 164844), (135288, 160265), (137370, 157836), (142804, 151830)]