160378960

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{251}}^1$

素因数の和:441

約数の個数: 120

約数和(自身を含む): 438159456

約数和(自身を除く): 277780496

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 163, 196, 245, 251, 280, 326, 392, 490, 502, 560, 652, 784, 815, 980, 1004, 1141, 1255, 1304, 1630, 1757, 1960, 2008, 2282, 2510, 2608, 3260, 3514, 3920, 4016, 4564, 5020, 5705, 6520, 7028, 7987, 8785, 9128, 10040, 11410, 12299, 13040, 14056, 15974, 17570, 18256, 20080, 22820, 24598, 28112, 31948, 35140, 39935, 40913, 45640, 49196, 61495, 63896, 70280, 79870, 81826, 91280, 98392, 122990, 127792, 140560, 159740, 163652, 196784, 204565, 245980, 286391, 319480, 327304, 409130, 491960, 572782, 638960, 654608, 818260, 983920, 1145564, 1431955, 1636520, 2004737, 2291128, 2863910, 3273040, 4009474, 4582256, 5727820, 8018948, 10023685, 11455640, 16037896, 20047370, 22911280, 32075792, 40094740, 80189480, 160378960]

約数ペア:

[(1, 160378960), (2, 80189480), (4, 40094740), (5, 32075792), (7, 22911280), (8, 20047370), (10, 16037896), (14, 11455640), (16, 10023685), (20, 8018948), (28, 5727820), (35, 4582256), (40, 4009474), (49, 3273040), (56, 2863910), (70, 2291128), (80, 2004737), (98, 1636520), (112, 1431955), (140, 1145564), (163, 983920), (196, 818260), (245, 654608), (251, 638960), (280, 572782), (326, 491960), (392, 409130), (490, 327304), (502, 319480), (560, 286391), (652, 245980), (784, 204565), (815, 196784), (980, 163652), (1004, 159740), (1141, 140560), (1255, 127792), (1304, 122990), (1630, 98392), (1757, 91280), (1960, 81826), (2008, 79870), (2282, 70280), (2510, 63896), (2608, 61495), (3260, 49196), (3514, 45640), (3920, 40913), (4016, 39935), (4564, 35140), (5020, 31948), (5705, 28112), (6520, 24598), (7028, 22820), (7987, 20080), (8785, 18256), (9128, 17570), (10040, 15974), (11410, 14056), (12299, 13040)]