81862680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{3769}}^1$

素因数の和:3964

約数の個数: 64

約数和(自身を含む): 247010400

約数和(自身を除く): 165147720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 181, 362, 543, 724, 905, 1086, 1448, 1810, 2172, 2715, 3620, 3769, 4344, 5430, 7240, 7538, 10860, 11307, 15076, 18845, 21720, 22614, 30152, 37690, 45228, 56535, 75380, 90456, 113070, 150760, 226140, 452280, 682189, 1364378, 2046567, 2728756, 3410945, 4093134, 5457512, 6821890, 8186268, 10232835, 13643780, 16372536, 20465670, 27287560, 40931340, 81862680]

約数ペア:

[(1, 81862680), (2, 40931340), (3, 27287560), (4, 20465670), (5, 16372536), (6, 13643780), (8, 10232835), (10, 8186268), (12, 6821890), (15, 5457512), (20, 4093134), (24, 3410945), (30, 2728756), (40, 2046567), (60, 1364378), (120, 682189), (181, 452280), (362, 226140), (543, 150760), (724, 113070), (905, 90456), (1086, 75380), (1448, 56535), (1810, 45228), (2172, 37690), (2715, 30152), (3620, 22614), (3769, 21720), (4344, 18845), (5430, 15076), (7240, 11307), (7538, 10860)]