67178240

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1693}}^1$

素因数の和:1745

約数の個数: 72

約数和(自身を含む): 166201728

約数和(自身を除く): 99023488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1693, 1984, 2480, 3386, 3968, 4960, 6772, 7936, 8465, 9920, 13544, 16930, 19840, 27088, 33860, 39680, 52483, 54176, 67720, 104966, 108352, 135440, 209932, 216704, 262415, 270880, 419864, 433408, 524830, 541760, 839728, 1049660, 1083520, 1679456, 2099320, 2167040, 3358912, 4198640, 6717824, 8397280, 13435648, 16794560, 33589120, 67178240]

約数ペア:

[(1, 67178240), (2, 33589120), (4, 16794560), (5, 13435648), (8, 8397280), (10, 6717824), (16, 4198640), (20, 3358912), (31, 2167040), (32, 2099320), (40, 1679456), (62, 1083520), (64, 1049660), (80, 839728), (124, 541760), (128, 524830), (155, 433408), (160, 419864), (248, 270880), (256, 262415), (310, 216704), (320, 209932), (496, 135440), (620, 108352), (640, 104966), (992, 67720), (1240, 54176), (1280, 52483), (1693, 39680), (1984, 33860), (2480, 27088), (3386, 19840), (3968, 16930), (4960, 13544), (6772, 9920), (7936, 8465)]