81329729.000000000

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{16703}}^1$

素因数の和:16738

約数の個数: 72

約数和(自身を含む): 519861888

約数和(自身を除く): 337966218

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 121, 165, 198, 242, 330, 363, 495, 605, 726, 990, 1089, 1210, 1815, 2178, 3630, 5445, 10890, 16703, 33406, 50109, 83515, 100218, 150327, 167030, 183733, 250545, 300654, 367466, 501090, 551199, 751635, 918665, 1102398, 1503270, 1653597, 1837330, 2021063, 2755995, 3307194, 4042126, 5511990, 6063189, 8267985, 10105315, 12126378, 16535970, 18189567, 20210630, 30315945, 36379134, 60631890, 90947835, 181895670]

約数ペア:

[(1, 181895670), (2, 90947835), (3, 60631890), (5, 36379134), (6, 30315945), (9, 20210630), (10, 18189567), (11, 16535970), (15, 12126378), (18, 10105315), (22, 8267985), (30, 6063189), (33, 5511990), (45, 4042126), (55, 3307194), (66, 2755995), (90, 2021063), (99, 1837330), (110, 1653597), (121, 1503270), (165, 1102398), (198, 918665), (242, 751635), (330, 551199), (363, 501090), (495, 367466), (605, 300654), (726, 250545), (990, 183733), (1089, 167030), (1210, 150327), (1815, 100218), (2178, 83515), (3630, 50109), (5445, 33406), (10890, 16703)]