231221120

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{27791}}^1$

素因数の和:27823

約数の個数: 64

約数和(自身を含む): 595304640

約数和(自身を除く): 364083520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 27791, 55582, 111164, 138955, 222328, 277910, 361283, 444656, 555820, 722566, 889312, 1111640, 1445132, 1778624, 1806415, 2223280, 2890264, 3557248, 3612830, 4446560, 5780528, 7225660, 8893120, 11561056, 14451320, 17786240, 23122112, 28902640, 46244224, 57805280, 115610560, 231221120]

約数ペア:

[(1, 231221120), (2, 115610560), (4, 57805280), (5, 46244224), (8, 28902640), (10, 23122112), (13, 17786240), (16, 14451320), (20, 11561056), (26, 8893120), (32, 7225660), (40, 5780528), (52, 4446560), (64, 3612830), (65, 3557248), (80, 2890264), (104, 2223280), (128, 1806415), (130, 1778624), (160, 1445132), (208, 1111640), (260, 889312), (320, 722566), (416, 555820), (520, 444656), (640, 361283), (832, 277910), (1040, 222328), (1664, 138955), (2080, 111164), (4160, 55582), (8320, 27791)]