68957440

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3169}}^1$

素因数の和:3207

約数の個数: 72

約数和(自身を含む): 174945960

約数和(自身を除く): 105988520

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 544, 640, 680, 1088, 1280, 1360, 2176, 2720, 3169, 4352, 5440, 6338, 10880, 12676, 15845, 21760, 25352, 31690, 50704, 53873, 63380, 101408, 107746, 126760, 202816, 215492, 253520, 269365, 405632, 430984, 507040, 538730, 811264, 861968, 1014080, 1077460, 1723936, 2028160, 2154920, 3447872, 4056320, 4309840, 6895744, 8619680, 13791488, 17239360, 34478720, 68957440]

約数ペア:

[(1, 68957440), (2, 34478720), (4, 17239360), (5, 13791488), (8, 8619680), (10, 6895744), (16, 4309840), (17, 4056320), (20, 3447872), (32, 2154920), (34, 2028160), (40, 1723936), (64, 1077460), (68, 1014080), (80, 861968), (85, 811264), (128, 538730), (136, 507040), (160, 430984), (170, 405632), (256, 269365), (272, 253520), (320, 215492), (340, 202816), (544, 126760), (640, 107746), (680, 101408), (1088, 63380), (1280, 53873), (1360, 50704), (2176, 31690), (2720, 25352), (3169, 21760), (4352, 15845), (5440, 12676), (6338, 10880)]