2261220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{223}}^1$

素因数の和:261

約数の個数: 72

約数和(自身を含む): 6886656

約数和(自身を除く): 4625436

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 223, 260, 338, 390, 446, 507, 669, 676, 780, 845, 892, 1014, 1115, 1338, 1690, 2028, 2230, 2535, 2676, 2899, 3345, 3380, 4460, 5070, 5798, 6690, 8697, 10140, 11596, 13380, 14495, 17394, 28990, 34788, 37687, 43485, 57980, 75374, 86970, 113061, 150748, 173940, 188435, 226122, 376870, 452244, 565305, 753740, 1130610, 2261220]

約数ペア:

[(1, 2261220), (2, 1130610), (3, 753740), (4, 565305), (5, 452244), (6, 376870), (10, 226122), (12, 188435), (13, 173940), (15, 150748), (20, 113061), (26, 86970), (30, 75374), (39, 57980), (52, 43485), (60, 37687), (65, 34788), (78, 28990), (130, 17394), (156, 14495), (169, 13380), (195, 11596), (223, 10140), (260, 8697), (338, 6690), (390, 5798), (446, 5070), (507, 4460), (669, 3380), (676, 3345), (780, 2899), (845, 2676), (892, 2535), (1014, 2230), (1115, 2028), (1338, 1690)]