218664080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2383}}^1$

素因数の和:2464

約数の個数: 80

約数和(自身を含む): 539203584

約数和(自身を除く): 320539504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 37, 40, 62, 74, 80, 124, 148, 155, 185, 248, 296, 310, 370, 496, 592, 620, 740, 1147, 1240, 1480, 2294, 2383, 2480, 2960, 4588, 4766, 5735, 9176, 9532, 11470, 11915, 18352, 19064, 22940, 23830, 38128, 45880, 47660, 73873, 88171, 91760, 95320, 147746, 176342, 190640, 295492, 352684, 369365, 440855, 590984, 705368, 738730, 881710, 1181968, 1410736, 1477460, 1763420, 2733301, 2954920, 3526840, 5466602, 5909840, 7053680, 10933204, 13666505, 21866408, 27333010, 43732816, 54666020, 109332040, 218664080]

約数ペア:

[(1, 218664080), (2, 109332040), (4, 54666020), (5, 43732816), (8, 27333010), (10, 21866408), (16, 13666505), (20, 10933204), (31, 7053680), (37, 5909840), (40, 5466602), (62, 3526840), (74, 2954920), (80, 2733301), (124, 1763420), (148, 1477460), (155, 1410736), (185, 1181968), (248, 881710), (296, 738730), (310, 705368), (370, 590984), (496, 440855), (592, 369365), (620, 352684), (740, 295492), (1147, 190640), (1240, 176342), (1480, 147746), (2294, 95320), (2383, 91760), (2480, 88171), (2960, 73873), (4588, 47660), (4766, 45880), (5735, 38128), (9176, 23830), (9532, 22940), (11470, 19064), (11915, 18352)]