440109540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{521}}^1$

素因数の和:587

約数の個数: 216

約数和(自身を含む): 1520254008

約数和(自身を除く): 1080144468

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 76, 78, 90, 95, 114, 117, 130, 156, 171, 180, 190, 195, 228, 234, 247, 260, 285, 342, 361, 380, 390, 468, 494, 521, 570, 585, 684, 722, 741, 780, 855, 988, 1042, 1083, 1140, 1170, 1235, 1444, 1482, 1563, 1710, 1805, 2084, 2166, 2223, 2340, 2470, 2605, 2964, 3126, 3249, 3420, 3610, 3705, 4332, 4446, 4689, 4693, 4940, 5210, 5415, 6252, 6498, 6773, 7220, 7410, 7815, 8892, 9378, 9386, 9899, 10420, 10830, 11115, 12996, 13546, 14079, 14820, 15630, 16245, 18756, 18772, 19798, 20319, 21660, 22230, 23445, 23465, 27092, 28158, 29697, 31260, 32490, 33865, 39596, 40638, 42237, 44460, 46890, 46930, 49495, 56316, 59394, 60957, 64980, 67730, 70395, 81276, 84474, 89091, 93780, 93860, 98990, 101595, 118788, 121914, 128687, 135460, 140790, 148485, 168948, 178182, 188081, 197980, 203190, 211185, 243828, 257374, 281580, 296970, 304785, 356364, 376162, 386061, 406380, 422370, 445455, 514748, 564243, 593940, 609570, 643435, 752324, 772122, 844740, 890910, 940405, 1128486, 1158183, 1219140, 1286870, 1544244, 1692729, 1781820, 1880810, 1930305, 2256972, 2316366, 2445053, 2573740, 2821215, 3385458, 3761620, 3860610, 4632732, 4890106, 5642430, 5790915, 6770916, 7335159, 7721220, 8463645, 9780212, 11284860, 11581830, 12225265, 14670318, 16927290, 22005477, 23163660, 24450530, 29340636, 33854580, 36675795, 44010954, 48901060, 73351590, 88021908, 110027385, 146703180, 220054770, 440109540]

約数ペア:

[(1, 440109540), (2, 220054770), (3, 146703180), (4, 110027385), (5, 88021908), (6, 73351590), (9, 48901060), (10, 44010954), (12, 36675795), (13, 33854580), (15, 29340636), (18, 24450530), (19, 23163660), (20, 22005477), (26, 16927290), (30, 14670318), (36, 12225265), (38, 11581830), (39, 11284860), (45, 9780212), (52, 8463645), (57, 7721220), (60, 7335159), (65, 6770916), (76, 5790915), (78, 5642430), (90, 4890106), (95, 4632732), (114, 3860610), (117, 3761620), (130, 3385458), (156, 2821215), (171, 2573740), (180, 2445053), (190, 2316366), (195, 2256972), (228, 1930305), (234, 1880810), (247, 1781820), (260, 1692729), (285, 1544244), (342, 1286870), (361, 1219140), (380, 1158183), (390, 1128486), (468, 940405), (494, 890910), (521, 844740), (570, 772122), (585, 752324), (684, 643435), (722, 609570), (741, 593940), (780, 564243), (855, 514748), (988, 445455), (1042, 422370), (1083, 406380), (1140, 386061), (1170, 376162), (1235, 356364), (1444, 304785), (1482, 296970), (1563, 281580), (1710, 257374), (1805, 243828), (2084, 211185), (2166, 203190), (2223, 197980), (2340, 188081), (2470, 178182), (2605, 168948), (2964, 148485), (3126, 140790), (3249, 135460), (3420, 128687), (3610, 121914), (3705, 118788), (4332, 101595), (4446, 98990), (4689, 93860), (4693, 93780), (4940, 89091), (5210, 84474), (5415, 81276), (6252, 70395), (6498, 67730), (6773, 64980), (7220, 60957), (7410, 59394), (7815, 56316), (8892, 49495), (9378, 46930), (9386, 46890), (9899, 44460), (10420, 42237), (10830, 40638), (11115, 39596), (12996, 33865), (13546, 32490), (14079, 31260), (14820, 29697), (15630, 28158), (16245, 27092), (18756, 23465), (18772, 23445), (19798, 22230), (20319, 21660)]