7893980120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{1951}}^1$

素因数の和:2257

約数の個数: 128

約数和(自身を含む): 19833569280

約数和(自身を除く): 11939589160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 251, 260, 310, 403, 502, 520, 620, 806, 1004, 1240, 1255, 1612, 1951, 2008, 2015, 2510, 3224, 3263, 3902, 4030, 5020, 6526, 7781, 7804, 8060, 9755, 10040, 13052, 15562, 15608, 16120, 16315, 19510, 25363, 26104, 31124, 32630, 38905, 39020, 50726, 60481, 62248, 65260, 77810, 78040, 101153, 101452, 120962, 126815, 130520, 155620, 202306, 202904, 241924, 253630, 302405, 311240, 404612, 483848, 489701, 505765, 507260, 604810, 786253, 809224, 979402, 1011530, 1014520, 1209620, 1572506, 1958804, 2023060, 2419240, 2448505, 3145012, 3917608, 3931265, 4046120, 4897010, 6290024, 6366113, 7862530, 9794020, 12732226, 15180731, 15725060, 19588040, 25464452, 30361462, 31450120, 31830565, 50928904, 60722924, 63661130, 75903655, 121445848, 127322260, 151807310, 197349503, 254644520, 303614620, 394699006, 607229240, 789398012, 986747515, 1578796024, 1973495030, 3946990060, 7893980120]

約数ペア:

[(1, 7893980120), (2, 3946990060), (4, 1973495030), (5, 1578796024), (8, 986747515), (10, 789398012), (13, 607229240), (20, 394699006), (26, 303614620), (31, 254644520), (40, 197349503), (52, 151807310), (62, 127322260), (65, 121445848), (104, 75903655), (124, 63661130), (130, 60722924), (155, 50928904), (248, 31830565), (251, 31450120), (260, 30361462), (310, 25464452), (403, 19588040), (502, 15725060), (520, 15180731), (620, 12732226), (806, 9794020), (1004, 7862530), (1240, 6366113), (1255, 6290024), (1612, 4897010), (1951, 4046120), (2008, 3931265), (2015, 3917608), (2510, 3145012), (3224, 2448505), (3263, 2419240), (3902, 2023060), (4030, 1958804), (5020, 1572506), (6526, 1209620), (7781, 1014520), (7804, 1011530), (8060, 979402), (9755, 809224), (10040, 786253), (13052, 604810), (15562, 507260), (15608, 505765), (16120, 489701), (16315, 483848), (19510, 404612), (25363, 311240), (26104, 302405), (31124, 253630), (32630, 241924), (38905, 202904), (39020, 202306), (50726, 155620), (60481, 130520), (62248, 126815), (65260, 120962), (77810, 101452), (78040, 101153)]