2157998720

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{177467}}^1$

素因数の和:177505

約数の個数: 64

約数和(自身を含む): 5430520800

約数和(自身を除く): 3272522080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1216, 1520, 2432, 3040, 6080, 12160, 177467, 354934, 709868, 887335, 1419736, 1774670, 2839472, 3371873, 3549340, 5678944, 6743746, 7098680, 11357888, 13487492, 14197360, 16859365, 22715776, 26974984, 28394720, 33718730, 53949968, 56789440, 67437460, 107899936, 113578880, 134874920, 215799872, 269749840, 431599744, 539499680, 1078999360, 2157998720]

約数ペア:

[(1, 2157998720), (2, 1078999360), (4, 539499680), (5, 431599744), (8, 269749840), (10, 215799872), (16, 134874920), (19, 113578880), (20, 107899936), (32, 67437460), (38, 56789440), (40, 53949968), (64, 33718730), (76, 28394720), (80, 26974984), (95, 22715776), (128, 16859365), (152, 14197360), (160, 13487492), (190, 11357888), (304, 7098680), (320, 6743746), (380, 5678944), (608, 3549340), (640, 3371873), (760, 2839472), (1216, 1774670), (1520, 1419736), (2432, 887335), (3040, 709868), (6080, 354934), (12160, 177467)]