840154920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{241}}^1$

素因数の和:424

約数の個数: 256

約数和(自身を含む): 2927232000

約数和(自身を除く): 2087077080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 19, 20, 22, 24, 30, 33, 38, 40, 44, 55, 57, 60, 66, 76, 88, 95, 110, 114, 120, 132, 139, 152, 165, 190, 209, 220, 228, 241, 264, 278, 285, 330, 380, 417, 418, 440, 456, 482, 556, 570, 627, 660, 695, 723, 760, 834, 836, 964, 1045, 1112, 1140, 1205, 1254, 1320, 1390, 1446, 1529, 1668, 1672, 1928, 2085, 2090, 2280, 2410, 2508, 2641, 2651, 2780, 2892, 3058, 3135, 3336, 3615, 4170, 4180, 4579, 4587, 4820, 5016, 5282, 5302, 5560, 5784, 6116, 6270, 7230, 7645, 7923, 7953, 8340, 8360, 9158, 9174, 9640, 10564, 10604, 12232, 12540, 13205, 13255, 13737, 14460, 15290, 15846, 15906, 16680, 18316, 18348, 21128, 21208, 22895, 22935, 25080, 26410, 26510, 27474, 28920, 29051, 30580, 31692, 31812, 33499, 36632, 36696, 39615, 39765, 45790, 45870, 50369, 52820, 53020, 54948, 58102, 61160, 63384, 63624, 66998, 68685, 79230, 79530, 87153, 91580, 91740, 100497, 100738, 105640, 106040, 109896, 116204, 133996, 137370, 145255, 151107, 158460, 159060, 167495, 174306, 183160, 183480, 200994, 201476, 232408, 251845, 267992, 274740, 290510, 302214, 316920, 318120, 334990, 348612, 368489, 401988, 402952, 435765, 502485, 503690, 549480, 581020, 604428, 636481, 669980, 697224, 736978, 755535, 803976, 871530, 1004970, 1007380, 1105467, 1162040, 1208856, 1272962, 1339960, 1473956, 1511070, 1743060, 1842445, 1909443, 2009940, 2014760, 2210934, 2545924, 2947912, 3022140, 3182405, 3486120, 3684890, 3818886, 4019880, 4421868, 5091848, 5527335, 6044280, 6364810, 7001291, 7369780, 7637772, 8843736, 9547215, 11054670, 12729620, 14002582, 14739560, 15275544, 19094430, 21003873, 22109340, 25459240, 28005164, 35006455, 38188860, 42007746, 44218680, 56010328, 70012910, 76377720, 84015492, 105019365, 140025820, 168030984, 210038730, 280051640, 420077460, 840154920]

約数ペア:

[(1, 840154920), (2, 420077460), (3, 280051640), (4, 210038730), (5, 168030984), (6, 140025820), (8, 105019365), (10, 84015492), (11, 76377720), (12, 70012910), (15, 56010328), (19, 44218680), (20, 42007746), (22, 38188860), (24, 35006455), (30, 28005164), (33, 25459240), (38, 22109340), (40, 21003873), (44, 19094430), (55, 15275544), (57, 14739560), (60, 14002582), (66, 12729620), (76, 11054670), (88, 9547215), (95, 8843736), (110, 7637772), (114, 7369780), (120, 7001291), (132, 6364810), (139, 6044280), (152, 5527335), (165, 5091848), (190, 4421868), (209, 4019880), (220, 3818886), (228, 3684890), (241, 3486120), (264, 3182405), (278, 3022140), (285, 2947912), (330, 2545924), (380, 2210934), (417, 2014760), (418, 2009940), (440, 1909443), (456, 1842445), (482, 1743060), (556, 1511070), (570, 1473956), (627, 1339960), (660, 1272962), (695, 1208856), (723, 1162040), (760, 1105467), (834, 1007380), (836, 1004970), (964, 871530), (1045, 803976), (1112, 755535), (1140, 736978), (1205, 697224), (1254, 669980), (1320, 636481), (1390, 604428), (1446, 581020), (1529, 549480), (1668, 503690), (1672, 502485), (1928, 435765), (2085, 402952), (2090, 401988), (2280, 368489), (2410, 348612), (2508, 334990), (2641, 318120), (2651, 316920), (2780, 302214), (2892, 290510), (3058, 274740), (3135, 267992), (3336, 251845), (3615, 232408), (4170, 201476), (4180, 200994), (4579, 183480), (4587, 183160), (4820, 174306), (5016, 167495), (5282, 159060), (5302, 158460), (5560, 151107), (5784, 145255), (6116, 137370), (6270, 133996), (7230, 116204), (7645, 109896), (7923, 106040), (7953, 105640), (8340, 100738), (8360, 100497), (9158, 91740), (9174, 91580), (9640, 87153), (10564, 79530), (10604, 79230), (12232, 68685), (12540, 66998), (13205, 63624), (13255, 63384), (13737, 61160), (14460, 58102), (15290, 54948), (15846, 53020), (15906, 52820), (16680, 50369), (18316, 45870), (18348, 45790), (21128, 39765), (21208, 39615), (22895, 36696), (22935, 36632), (25080, 33499), (26410, 31812), (26510, 31692), (27474, 30580), (28920, 29051)]