133363240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{821}}^1$

素因数の和:994

約数の個数: 64

約数和(自身を含む): 312491520

約数和(自身を除く): 179128280

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 131, 155, 248, 262, 310, 524, 620, 655, 821, 1048, 1240, 1310, 1642, 2620, 3284, 4061, 4105, 5240, 6568, 8122, 8210, 16244, 16420, 20305, 25451, 32488, 32840, 40610, 50902, 81220, 101804, 107551, 127255, 162440, 203608, 215102, 254510, 430204, 509020, 537755, 860408, 1018040, 1075510, 2151020, 3334081, 4302040, 6668162, 13336324, 16670405, 26672648, 33340810, 66681620, 133363240]

約数ペア:

[(1, 133363240), (2, 66681620), (4, 33340810), (5, 26672648), (8, 16670405), (10, 13336324), (20, 6668162), (31, 4302040), (40, 3334081), (62, 2151020), (124, 1075510), (131, 1018040), (155, 860408), (248, 537755), (262, 509020), (310, 430204), (524, 254510), (620, 215102), (655, 203608), (821, 162440), (1048, 127255), (1240, 107551), (1310, 101804), (1642, 81220), (2620, 50902), (3284, 40610), (4061, 32840), (4105, 32488), (5240, 25451), (6568, 20305), (8122, 16420), (8210, 16244)]