61581780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26317}}^1$

素因数の和:26345

約数の個数: 72

約数和(自身を含む): 201174792

約数和(自身を除く): 139593012

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 26317, 52634, 78951, 105268, 131585, 157902, 236853, 263170, 315804, 342121, 394755, 473706, 526340, 684242, 789510, 947412, 1026363, 1184265, 1368484, 1579020, 1710605, 2052726, 2368530, 3079089, 3421210, 4105452, 4737060, 5131815, 6158178, 6842420, 10263630, 12316356, 15395445, 20527260, 30790890, 61581780]

約数ペア:

[(1, 61581780), (2, 30790890), (3, 20527260), (4, 15395445), (5, 12316356), (6, 10263630), (9, 6842420), (10, 6158178), (12, 5131815), (13, 4737060), (15, 4105452), (18, 3421210), (20, 3079089), (26, 2368530), (30, 2052726), (36, 1710605), (39, 1579020), (45, 1368484), (52, 1184265), (60, 1026363), (65, 947412), (78, 789510), (90, 684242), (117, 526340), (130, 473706), (156, 394755), (180, 342121), (195, 315804), (234, 263170), (260, 236853), (390, 157902), (468, 131585), (585, 105268), (780, 78951), (1170, 52634), (2340, 26317)]