90401640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{107621}}^1$

素因数の和:107642

約数の個数: 64

約数和(自身を含む): 309951360

約数和(自身を除く): 219549720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 107621, 215242, 322863, 430484, 538105, 645726, 753347, 860968, 1076210, 1291452, 1506694, 1614315, 2152420, 2260041, 2582904, 3013388, 3228630, 3766735, 4304840, 4520082, 6026776, 6457260, 7533470, 9040164, 11300205, 12914520, 15066940, 18080328, 22600410, 30133880, 45200820, 90401640]

約数ペア:

[(1, 90401640), (2, 45200820), (3, 30133880), (4, 22600410), (5, 18080328), (6, 15066940), (7, 12914520), (8, 11300205), (10, 9040164), (12, 7533470), (14, 6457260), (15, 6026776), (20, 4520082), (21, 4304840), (24, 3766735), (28, 3228630), (30, 3013388), (35, 2582904), (40, 2260041), (42, 2152420), (56, 1614315), (60, 1506694), (70, 1291452), (84, 1076210), (105, 860968), (120, 753347), (140, 645726), (168, 538105), (210, 430484), (280, 322863), (420, 215242), (840, 107621)]