291094960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{9029}}^1$

素因数の和:9086

約数の個数: 80

約数和(自身を含む): 752451840

約数和(自身を除く): 461356880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 8060, 9029, 16120, 18058, 32240, 36116, 45145, 72232, 90290, 117377, 144464, 180580, 234754, 279899, 361160, 469508, 559798, 586885, 722320, 939016, 1119596, 1173770, 1399495, 1878032, 2239192, 2347540, 2798990, 3638687, 4478384, 4695080, 5597980, 7277374, 9390160, 11195960, 14554748, 18193435, 22391920, 29109496, 36386870, 58218992, 72773740, 145547480, 291094960]

約数ペア:

[(1, 291094960), (2, 145547480), (4, 72773740), (5, 58218992), (8, 36386870), (10, 29109496), (13, 22391920), (16, 18193435), (20, 14554748), (26, 11195960), (31, 9390160), (40, 7277374), (52, 5597980), (62, 4695080), (65, 4478384), (80, 3638687), (104, 2798990), (124, 2347540), (130, 2239192), (155, 1878032), (208, 1399495), (248, 1173770), (260, 1119596), (310, 939016), (403, 722320), (496, 586885), (520, 559798), (620, 469508), (806, 361160), (1040, 279899), (1240, 234754), (1612, 180580), (2015, 144464), (2480, 117377), (3224, 90290), (4030, 72232), (6448, 45145), (8060, 36116), (9029, 32240), (16120, 18058)]