72932800

素因数分解:

$2^6\times 5^2\times {\mathrm{79}}^1\times {\mathrm{577}}^1$

素因数の和:678

約数の個数: 84

約数和(自身を含む): 182046880

約数和(自身を除く): 109114080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 79, 80, 100, 158, 160, 200, 316, 320, 395, 400, 577, 632, 790, 800, 1154, 1264, 1580, 1600, 1975, 2308, 2528, 2885, 3160, 3950, 4616, 5056, 5770, 6320, 7900, 9232, 11540, 12640, 14425, 15800, 18464, 23080, 25280, 28850, 31600, 36928, 45583, 46160, 57700, 63200, 91166, 92320, 115400, 126400, 182332, 184640, 227915, 230800, 364664, 455830, 461600, 729328, 911660, 923200, 1139575, 1458656, 1823320, 2279150, 2917312, 3646640, 4558300, 7293280, 9116600, 14586560, 18233200, 36466400, 72932800]

約数ペア:

[(1, 72932800), (2, 36466400), (4, 18233200), (5, 14586560), (8, 9116600), (10, 7293280), (16, 4558300), (20, 3646640), (25, 2917312), (32, 2279150), (40, 1823320), (50, 1458656), (64, 1139575), (79, 923200), (80, 911660), (100, 729328), (158, 461600), (160, 455830), (200, 364664), (316, 230800), (320, 227915), (395, 184640), (400, 182332), (577, 126400), (632, 115400), (790, 92320), (800, 91166), (1154, 63200), (1264, 57700), (1580, 46160), (1600, 45583), (1975, 36928), (2308, 31600), (2528, 28850), (2885, 25280), (3160, 23080), (3950, 18464), (4616, 15800), (5056, 14425), (5770, 12640), (6320, 11540), (7900, 9232)]