30996280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3571}}^1$

素因数の和:3620

約数の個数: 64

約数和(自身を含む): 82298880

約数和(自身を除く): 51302600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 3571, 4340, 7142, 8680, 14284, 17855, 24997, 28568, 35710, 49994, 71420, 99988, 110701, 124985, 142840, 199976, 221402, 249970, 442804, 499940, 553505, 774907, 885608, 999880, 1107010, 1549814, 2214020, 3099628, 3874535, 4428040, 6199256, 7749070, 15498140, 30996280]

約数ペア:

[(1, 30996280), (2, 15498140), (4, 7749070), (5, 6199256), (7, 4428040), (8, 3874535), (10, 3099628), (14, 2214020), (20, 1549814), (28, 1107010), (31, 999880), (35, 885608), (40, 774907), (56, 553505), (62, 499940), (70, 442804), (124, 249970), (140, 221402), (155, 199976), (217, 142840), (248, 124985), (280, 110701), (310, 99988), (434, 71420), (620, 49994), (868, 35710), (1085, 28568), (1240, 24997), (1736, 17855), (2170, 14284), (3571, 8680), (4340, 7142)]