168994640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{821}}^1$

素因数の和:948

約数の個数: 80

約数和(自身を含む): 410973696

約数和(自身を除く): 241979056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 83, 124, 155, 166, 248, 310, 332, 415, 496, 620, 664, 821, 830, 1240, 1328, 1642, 1660, 2480, 2573, 3284, 3320, 4105, 5146, 6568, 6640, 8210, 10292, 12865, 13136, 16420, 20584, 25451, 25730, 32840, 41168, 50902, 51460, 65680, 68143, 101804, 102920, 127255, 136286, 203608, 205840, 254510, 272572, 340715, 407216, 509020, 545144, 681430, 1018040, 1090288, 1362860, 2036080, 2112433, 2725720, 4224866, 5451440, 8449732, 10562165, 16899464, 21124330, 33798928, 42248660, 84497320, 168994640]

約数ペア:

[(1, 168994640), (2, 84497320), (4, 42248660), (5, 33798928), (8, 21124330), (10, 16899464), (16, 10562165), (20, 8449732), (31, 5451440), (40, 4224866), (62, 2725720), (80, 2112433), (83, 2036080), (124, 1362860), (155, 1090288), (166, 1018040), (248, 681430), (310, 545144), (332, 509020), (415, 407216), (496, 340715), (620, 272572), (664, 254510), (821, 205840), (830, 203608), (1240, 136286), (1328, 127255), (1642, 102920), (1660, 101804), (2480, 68143), (2573, 65680), (3284, 51460), (3320, 50902), (4105, 41168), (5146, 32840), (6568, 25730), (6640, 25451), (8210, 20584), (10292, 16420), (12865, 13136)]