2280851920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{787}}^1\times {\mathrm{2131}}^1$

素因数の和:2948

約数の個数: 80

約数和(自身を含む): 5624693568

約数和(自身を除く): 3343841648

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 787, 1360, 1574, 2131, 3148, 3935, 4262, 6296, 7870, 8524, 10655, 12592, 13379, 15740, 17048, 21310, 26758, 31480, 34096, 36227, 42620, 53516, 62960, 66895, 72454, 85240, 107032, 133790, 144908, 170480, 181135, 214064, 267580, 289816, 362270, 535160, 579632, 724540, 1070320, 1449080, 1677097, 2898160, 3354194, 6708388, 8385485, 13416776, 16770970, 26833552, 28510649, 33541940, 57021298, 67083880, 114042596, 134167760, 142553245, 228085192, 285106490, 456170384, 570212980, 1140425960, 2280851920]

約数ペア:

[(1, 2280851920), (2, 1140425960), (4, 570212980), (5, 456170384), (8, 285106490), (10, 228085192), (16, 142553245), (17, 134167760), (20, 114042596), (34, 67083880), (40, 57021298), (68, 33541940), (80, 28510649), (85, 26833552), (136, 16770970), (170, 13416776), (272, 8385485), (340, 6708388), (680, 3354194), (787, 2898160), (1360, 1677097), (1574, 1449080), (2131, 1070320), (3148, 724540), (3935, 579632), (4262, 535160), (6296, 362270), (7870, 289816), (8524, 267580), (10655, 214064), (12592, 181135), (13379, 170480), (15740, 144908), (17048, 133790), (21310, 107032), (26758, 85240), (31480, 72454), (34096, 66895), (36227, 62960), (42620, 53516)]