40557720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{911}}^1$

素因数の和:985

約数の個数: 128

約数和(自身を含む): 141834240

約数和(自身を除く): 101276520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 53, 56, 60, 70, 84, 105, 106, 120, 140, 159, 168, 210, 212, 265, 280, 318, 371, 420, 424, 530, 636, 742, 795, 840, 911, 1060, 1113, 1272, 1484, 1590, 1822, 1855, 2120, 2226, 2733, 2968, 3180, 3644, 3710, 4452, 4555, 5466, 5565, 6360, 6377, 7288, 7420, 8904, 9110, 10932, 11130, 12754, 13665, 14840, 18220, 19131, 21864, 22260, 25508, 27330, 31885, 36440, 38262, 44520, 48283, 51016, 54660, 63770, 76524, 95655, 96566, 109320, 127540, 144849, 153048, 191310, 193132, 241415, 255080, 289698, 337981, 382620, 386264, 482830, 579396, 675962, 724245, 765240, 965660, 1013943, 1158792, 1351924, 1448490, 1689905, 1931320, 2027886, 2703848, 2896980, 3379810, 4055772, 5069715, 5793960, 6759620, 8111544, 10139430, 13519240, 20278860, 40557720]

約数ペア:

[(1, 40557720), (2, 20278860), (3, 13519240), (4, 10139430), (5, 8111544), (6, 6759620), (7, 5793960), (8, 5069715), (10, 4055772), (12, 3379810), (14, 2896980), (15, 2703848), (20, 2027886), (21, 1931320), (24, 1689905), (28, 1448490), (30, 1351924), (35, 1158792), (40, 1013943), (42, 965660), (53, 765240), (56, 724245), (60, 675962), (70, 579396), (84, 482830), (105, 386264), (106, 382620), (120, 337981), (140, 289698), (159, 255080), (168, 241415), (210, 193132), (212, 191310), (265, 153048), (280, 144849), (318, 127540), (371, 109320), (420, 96566), (424, 95655), (530, 76524), (636, 63770), (742, 54660), (795, 51016), (840, 48283), (911, 44520), (1060, 38262), (1113, 36440), (1272, 31885), (1484, 27330), (1590, 25508), (1822, 22260), (1855, 21864), (2120, 19131), (2226, 18220), (2733, 14840), (2968, 13665), (3180, 12754), (3644, 11130), (3710, 10932), (4452, 9110), (4555, 8904), (5466, 7420), (5565, 7288), (6360, 6377)]