68839020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:244

約数の個数: 144

約数和(自身を含む): 218050560

約数和(自身を除く): 149211540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 79, 90, 94, 103, 141, 158, 180, 188, 206, 235, 237, 282, 309, 316, 395, 412, 423, 470, 474, 515, 564, 618, 705, 711, 790, 846, 927, 940, 948, 1030, 1185, 1236, 1410, 1422, 1545, 1580, 1692, 1854, 2060, 2115, 2370, 2820, 2844, 3090, 3555, 3708, 3713, 4230, 4635, 4740, 4841, 6180, 7110, 7426, 8137, 8460, 9270, 9682, 11139, 14220, 14523, 14852, 16274, 18540, 18565, 19364, 22278, 24205, 24411, 29046, 32548, 33417, 37130, 40685, 43569, 44556, 48410, 48822, 55695, 58092, 66834, 72615, 73233, 74260, 81370, 87138, 96820, 97644, 111390, 122055, 133668, 145230, 146466, 162740, 167085, 174276, 217845, 222780, 244110, 290460, 292932, 334170, 366165, 382439, 435690, 488220, 668340, 732330, 764878, 871380, 1147317, 1464660, 1529756, 1912195, 2294634, 3441951, 3824390, 4589268, 5736585, 6883902, 7648780, 11473170, 13767804, 17209755, 22946340, 34419510, 68839020]

約数ペア:

[(1, 68839020), (2, 34419510), (3, 22946340), (4, 17209755), (5, 13767804), (6, 11473170), (9, 7648780), (10, 6883902), (12, 5736585), (15, 4589268), (18, 3824390), (20, 3441951), (30, 2294634), (36, 1912195), (45, 1529756), (47, 1464660), (60, 1147317), (79, 871380), (90, 764878), (94, 732330), (103, 668340), (141, 488220), (158, 435690), (180, 382439), (188, 366165), (206, 334170), (235, 292932), (237, 290460), (282, 244110), (309, 222780), (316, 217845), (395, 174276), (412, 167085), (423, 162740), (470, 146466), (474, 145230), (515, 133668), (564, 122055), (618, 111390), (705, 97644), (711, 96820), (790, 87138), (846, 81370), (927, 74260), (940, 73233), (948, 72615), (1030, 66834), (1185, 58092), (1236, 55695), (1410, 48822), (1422, 48410), (1545, 44556), (1580, 43569), (1692, 40685), (1854, 37130), (2060, 33417), (2115, 32548), (2370, 29046), (2820, 24411), (2844, 24205), (3090, 22278), (3555, 19364), (3708, 18565), (3713, 18540), (4230, 16274), (4635, 14852), (4740, 14523), (4841, 14220), (6180, 11139), (7110, 9682), (7426, 9270), (8137, 8460)]