80189480

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{251}}^1$

素因数の和:439

約数の個数: 96

約数和(自身を含む): 212012640

約数和(自身を除く): 131823160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 163, 196, 245, 251, 280, 326, 392, 490, 502, 652, 815, 980, 1004, 1141, 1255, 1304, 1630, 1757, 1960, 2008, 2282, 2510, 3260, 3514, 4564, 5020, 5705, 6520, 7028, 7987, 8785, 9128, 10040, 11410, 12299, 14056, 15974, 17570, 22820, 24598, 31948, 35140, 39935, 40913, 45640, 49196, 61495, 63896, 70280, 79870, 81826, 98392, 122990, 159740, 163652, 204565, 245980, 286391, 319480, 327304, 409130, 491960, 572782, 818260, 1145564, 1431955, 1636520, 2004737, 2291128, 2863910, 4009474, 5727820, 8018948, 10023685, 11455640, 16037896, 20047370, 40094740, 80189480]

約数ペア:

[(1, 80189480), (2, 40094740), (4, 20047370), (5, 16037896), (7, 11455640), (8, 10023685), (10, 8018948), (14, 5727820), (20, 4009474), (28, 2863910), (35, 2291128), (40, 2004737), (49, 1636520), (56, 1431955), (70, 1145564), (98, 818260), (140, 572782), (163, 491960), (196, 409130), (245, 327304), (251, 319480), (280, 286391), (326, 245980), (392, 204565), (490, 163652), (502, 159740), (652, 122990), (815, 98392), (980, 81826), (1004, 79870), (1141, 70280), (1255, 63896), (1304, 61495), (1630, 49196), (1757, 45640), (1960, 40913), (2008, 39935), (2282, 35140), (2510, 31948), (3260, 24598), (3514, 22820), (4564, 17570), (5020, 15974), (5705, 14056), (6520, 12299), (7028, 11410), (7987, 10040), (8785, 9128)]