128976560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1601}}^1$

素因数の和:1686

約数の個数: 80

約数和(自身を含む): 321809760

約数和(自身を除く): 192833200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 53, 76, 80, 95, 106, 152, 190, 212, 265, 304, 380, 424, 530, 760, 848, 1007, 1060, 1520, 1601, 2014, 2120, 3202, 4028, 4240, 5035, 6404, 8005, 8056, 10070, 12808, 16010, 16112, 20140, 25616, 30419, 32020, 40280, 60838, 64040, 80560, 84853, 121676, 128080, 152095, 169706, 243352, 304190, 339412, 424265, 486704, 608380, 678824, 848530, 1216760, 1357648, 1612207, 1697060, 2433520, 3224414, 3394120, 6448828, 6788240, 8061035, 12897656, 16122070, 25795312, 32244140, 64488280, 128976560]

約数ペア:

[(1, 128976560), (2, 64488280), (4, 32244140), (5, 25795312), (8, 16122070), (10, 12897656), (16, 8061035), (19, 6788240), (20, 6448828), (38, 3394120), (40, 3224414), (53, 2433520), (76, 1697060), (80, 1612207), (95, 1357648), (106, 1216760), (152, 848530), (190, 678824), (212, 608380), (265, 486704), (304, 424265), (380, 339412), (424, 304190), (530, 243352), (760, 169706), (848, 152095), (1007, 128080), (1060, 121676), (1520, 84853), (1601, 80560), (2014, 64040), (2120, 60838), (3202, 40280), (4028, 32020), (4240, 30419), (5035, 25616), (6404, 20140), (8005, 16112), (8056, 16010), (10070, 12808)]