72613640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2089}}^1$

素因数の和:2190

約数の個数: 64

約数和(自身を含む): 180576000

約数和(自身を除く): 107962360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 79, 88, 110, 158, 220, 316, 395, 440, 632, 790, 869, 1580, 1738, 2089, 3160, 3476, 4178, 4345, 6952, 8356, 8690, 10445, 16712, 17380, 20890, 22979, 34760, 41780, 45958, 83560, 91916, 114895, 165031, 183832, 229790, 330062, 459580, 660124, 825155, 919160, 1320248, 1650310, 1815341, 3300620, 3630682, 6601240, 7261364, 9076705, 14522728, 18153410, 36306820, 72613640]

約数ペア:

[(1, 72613640), (2, 36306820), (4, 18153410), (5, 14522728), (8, 9076705), (10, 7261364), (11, 6601240), (20, 3630682), (22, 3300620), (40, 1815341), (44, 1650310), (55, 1320248), (79, 919160), (88, 825155), (110, 660124), (158, 459580), (220, 330062), (316, 229790), (395, 183832), (440, 165031), (632, 114895), (790, 91916), (869, 83560), (1580, 45958), (1738, 41780), (2089, 34760), (3160, 22979), (3476, 20890), (4178, 17380), (4345, 16712), (6952, 10445), (8356, 8690)]