30666440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3533}}^1$

素因数の和:3582

約数の個数: 64

約数和(自身を含む): 81423360

約数和(自身を除く): 50756920

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, 3533, 4340, 7066, 8680, 14132, 17665, 24731, 28264, 35330, 49462, 70660, 98924, 109523, 123655, 141320, 197848, 219046, 247310, 438092, 494620, 547615, 766661, 876184, 989240, 1095230, 1533322, 2190460, 3066644, 3833305, 4380920, 6133288, 7666610, 15333220, 30666440]

約数ペア:

[(1, 30666440), (2, 15333220), (4, 7666610), (5, 6133288), (7, 4380920), (8, 3833305), (10, 3066644), (14, 2190460), (20, 1533322), (28, 1095230), (31, 989240), (35, 876184), (40, 766661), (56, 547615), (62, 494620), (70, 438092), (124, 247310), (140, 219046), (155, 197848), (217, 141320), (248, 123655), (280, 109523), (310, 98924), (434, 70660), (620, 49462), (868, 35330), (1085, 28264), (1240, 24731), (1736, 17665), (2170, 14132), (3533, 8680), (4340, 7066)]