72730240

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10331}}^1$

素因数の和:10361

約数の個数: 64

約数和(自身を含む): 189695520

約数和(自身を除く): 116965280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 3520, 7040, 10331, 20662, 41324, 51655, 82648, 103310, 113641, 165296, 206620, 227282, 330592, 413240, 454564, 568205, 661184, 826480, 909128, 1136410, 1322368, 1652960, 1818256, 2272820, 3305920, 3636512, 4545640, 6611840, 7273024, 9091280, 14546048, 18182560, 36365120, 72730240]

約数ペア:

[(1, 72730240), (2, 36365120), (4, 18182560), (5, 14546048), (8, 9091280), (10, 7273024), (11, 6611840), (16, 4545640), (20, 3636512), (22, 3305920), (32, 2272820), (40, 1818256), (44, 1652960), (55, 1322368), (64, 1136410), (80, 909128), (88, 826480), (110, 661184), (128, 568205), (160, 454564), (176, 413240), (220, 330592), (320, 227282), (352, 206620), (440, 165296), (640, 113641), (704, 103310), (880, 82648), (1408, 51655), (1760, 41324), (3520, 20662), (7040, 10331)]