131471760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{563}}^1$

素因数の和:725

約数の個数: 160

約数和(自身を含む): 469969920

約数和(自身を除く): 338498160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 139, 140, 168, 210, 240, 278, 280, 336, 417, 420, 556, 560, 563, 695, 834, 840, 973, 1112, 1126, 1390, 1668, 1680, 1689, 1946, 2085, 2224, 2252, 2780, 2815, 2919, 3336, 3378, 3892, 3941, 4170, 4504, 4865, 5560, 5630, 5838, 6672, 6756, 7784, 7882, 8340, 8445, 9008, 9730, 11120, 11260, 11676, 11823, 13512, 14595, 15568, 15764, 16680, 16890, 19460, 19705, 22520, 23352, 23646, 27024, 29190, 31528, 33360, 33780, 38920, 39410, 45040, 46704, 47292, 58380, 59115, 63056, 67560, 77840, 78257, 78820, 94584, 116760, 118230, 135120, 156514, 157640, 189168, 233520, 234771, 236460, 313028, 315280, 391285, 469542, 472920, 547799, 626056, 782570, 939084, 945840, 1095598, 1173855, 1252112, 1565140, 1643397, 1878168, 2191196, 2347710, 2738995, 3130280, 3286794, 3756336, 4382392, 4695420, 5477990, 6260560, 6573588, 8216985, 8764784, 9390840, 10955980, 13147176, 16433970, 18781680, 21911960, 26294352, 32867940, 43823920, 65735880, 131471760]

約数ペア:

[(1, 131471760), (2, 65735880), (3, 43823920), (4, 32867940), (5, 26294352), (6, 21911960), (7, 18781680), (8, 16433970), (10, 13147176), (12, 10955980), (14, 9390840), (15, 8764784), (16, 8216985), (20, 6573588), (21, 6260560), (24, 5477990), (28, 4695420), (30, 4382392), (35, 3756336), (40, 3286794), (42, 3130280), (48, 2738995), (56, 2347710), (60, 2191196), (70, 1878168), (80, 1643397), (84, 1565140), (105, 1252112), (112, 1173855), (120, 1095598), (139, 945840), (140, 939084), (168, 782570), (210, 626056), (240, 547799), (278, 472920), (280, 469542), (336, 391285), (417, 315280), (420, 313028), (556, 236460), (560, 234771), (563, 233520), (695, 189168), (834, 157640), (840, 156514), (973, 135120), (1112, 118230), (1126, 116760), (1390, 94584), (1668, 78820), (1680, 78257), (1689, 77840), (1946, 67560), (2085, 63056), (2224, 59115), (2252, 58380), (2780, 47292), (2815, 46704), (2919, 45040), (3336, 39410), (3378, 38920), (3892, 33780), (3941, 33360), (4170, 31528), (4504, 29190), (4865, 27024), (5560, 23646), (5630, 23352), (5838, 22520), (6672, 19705), (6756, 19460), (7784, 16890), (7882, 16680), (8340, 15764), (8445, 15568), (9008, 14595), (9730, 13512), (11120, 11823), (11260, 11676)]