78494320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{457}}^1$

素因数の和:602

約数の個数: 80

約数和(自身を含む): 194228640

約数和(自身を除く): 115734320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 113, 152, 190, 226, 304, 380, 452, 457, 565, 760, 904, 914, 1130, 1520, 1808, 1828, 2147, 2260, 2285, 3656, 4294, 4520, 4570, 7312, 8588, 8683, 9040, 9140, 10735, 17176, 17366, 18280, 21470, 34352, 34732, 36560, 42940, 43415, 51641, 69464, 85880, 86830, 103282, 138928, 171760, 173660, 206564, 258205, 347320, 413128, 516410, 694640, 826256, 981179, 1032820, 1962358, 2065640, 3924716, 4131280, 4905895, 7849432, 9811790, 15698864, 19623580, 39247160, 78494320]

約数ペア:

[(1, 78494320), (2, 39247160), (4, 19623580), (5, 15698864), (8, 9811790), (10, 7849432), (16, 4905895), (19, 4131280), (20, 3924716), (38, 2065640), (40, 1962358), (76, 1032820), (80, 981179), (95, 826256), (113, 694640), (152, 516410), (190, 413128), (226, 347320), (304, 258205), (380, 206564), (452, 173660), (457, 171760), (565, 138928), (760, 103282), (904, 86830), (914, 85880), (1130, 69464), (1520, 51641), (1808, 43415), (1828, 42940), (2147, 36560), (2260, 34732), (2285, 34352), (3656, 21470), (4294, 18280), (4520, 17366), (4570, 17176), (7312, 10735), (8588, 9140), (8683, 9040)]