78168640

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{419}}^1$

素因数の和:500

約数の個数: 112

約数和(自身を含む): 207385920

約数和(自身を除く): 129217280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 53, 55, 64, 80, 88, 106, 110, 160, 176, 212, 220, 265, 320, 352, 419, 424, 440, 530, 583, 704, 838, 848, 880, 1060, 1166, 1676, 1696, 1760, 2095, 2120, 2332, 2915, 3352, 3392, 3520, 4190, 4240, 4609, 4664, 5830, 6704, 8380, 8480, 9218, 9328, 11660, 13408, 16760, 16960, 18436, 18656, 22207, 23045, 23320, 26816, 33520, 36872, 37312, 44414, 46090, 46640, 67040, 73744, 88828, 92180, 93280, 111035, 134080, 147488, 177656, 184360, 186560, 222070, 244277, 294976, 355312, 368720, 444140, 488554, 710624, 737440, 888280, 977108, 1221385, 1421248, 1474880, 1776560, 1954216, 2442770, 3553120, 3908432, 4885540, 7106240, 7816864, 9771080, 15633728, 19542160, 39084320, 78168640]

約数ペア:

[(1, 78168640), (2, 39084320), (4, 19542160), (5, 15633728), (8, 9771080), (10, 7816864), (11, 7106240), (16, 4885540), (20, 3908432), (22, 3553120), (32, 2442770), (40, 1954216), (44, 1776560), (53, 1474880), (55, 1421248), (64, 1221385), (80, 977108), (88, 888280), (106, 737440), (110, 710624), (160, 488554), (176, 444140), (212, 368720), (220, 355312), (265, 294976), (320, 244277), (352, 222070), (419, 186560), (424, 184360), (440, 177656), (530, 147488), (583, 134080), (704, 111035), (838, 93280), (848, 92180), (880, 88828), (1060, 73744), (1166, 67040), (1676, 46640), (1696, 46090), (1760, 44414), (2095, 37312), (2120, 36872), (2332, 33520), (2915, 26816), (3352, 23320), (3392, 23045), (3520, 22207), (4190, 18656), (4240, 18436), (4609, 16960), (4664, 16760), (5830, 13408), (6704, 11660), (8380, 9328), (8480, 9218)]