278330940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{8543}}^1$

素因数の和:8739

約数の個数: 72

約数和(自身を含む): 849034368

約数和(自身を除く): 570703428

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 181, 362, 543, 724, 905, 1086, 1629, 1810, 2172, 2715, 3258, 3620, 5430, 6516, 8145, 8543, 10860, 16290, 17086, 25629, 32580, 34172, 42715, 51258, 76887, 85430, 102516, 128145, 153774, 170860, 256290, 307548, 384435, 512580, 768870, 1537740, 1546283, 3092566, 4638849, 6185132, 7731415, 9277698, 13916547, 15462830, 18555396, 23194245, 27833094, 30925660, 46388490, 55666188, 69582735, 92776980, 139165470, 278330940]

約数ペア:

[(1, 278330940), (2, 139165470), (3, 92776980), (4, 69582735), (5, 55666188), (6, 46388490), (9, 30925660), (10, 27833094), (12, 23194245), (15, 18555396), (18, 15462830), (20, 13916547), (30, 9277698), (36, 7731415), (45, 6185132), (60, 4638849), (90, 3092566), (180, 1546283), (181, 1537740), (362, 768870), (543, 512580), (724, 384435), (905, 307548), (1086, 256290), (1629, 170860), (1810, 153774), (2172, 128145), (2715, 102516), (3258, 85430), (3620, 76887), (5430, 51258), (6516, 42715), (8145, 34172), (8543, 32580), (10860, 25629), (16290, 17086)]