64493600

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{4243}}^1$

素因数の和:4282

約数の個数: 72

約数和(自身を含む): 165770640

約数和(自身を除く): 101277040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 76, 80, 95, 100, 152, 160, 190, 200, 304, 380, 400, 475, 608, 760, 800, 950, 1520, 1900, 3040, 3800, 4243, 7600, 8486, 15200, 16972, 21215, 33944, 42430, 67888, 80617, 84860, 106075, 135776, 161234, 169720, 212150, 322468, 339440, 403085, 424300, 644936, 678880, 806170, 848600, 1289872, 1612340, 1697200, 2015425, 2579744, 3224680, 3394400, 4030850, 6449360, 8061700, 12898720, 16123400, 32246800, 64493600]

約数ペア:

[(1, 64493600), (2, 32246800), (4, 16123400), (5, 12898720), (8, 8061700), (10, 6449360), (16, 4030850), (19, 3394400), (20, 3224680), (25, 2579744), (32, 2015425), (38, 1697200), (40, 1612340), (50, 1289872), (76, 848600), (80, 806170), (95, 678880), (100, 644936), (152, 424300), (160, 403085), (190, 339440), (200, 322468), (304, 212150), (380, 169720), (400, 161234), (475, 135776), (608, 106075), (760, 84860), (800, 80617), (950, 67888), (1520, 42430), (1900, 33944), (3040, 21215), (3800, 16972), (4243, 15200), (7600, 8486)]