15206840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:165

約数の個数: 128

約数和(自身を含む): 41990400

約数和(自身を除く): 26783560

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 19, 20, 22, 34, 38, 40, 44, 55, 68, 76, 85, 88, 95, 107, 110, 136, 152, 170, 187, 190, 209, 214, 220, 323, 340, 374, 380, 418, 428, 440, 535, 646, 680, 748, 760, 836, 856, 935, 1045, 1070, 1177, 1292, 1496, 1615, 1672, 1819, 1870, 2033, 2090, 2140, 2354, 2584, 3230, 3553, 3638, 3740, 4066, 4180, 4280, 4708, 5885, 6460, 7106, 7276, 7480, 8132, 8360, 9095, 9416, 10165, 11770, 12920, 14212, 14552, 16264, 17765, 18190, 20009, 20330, 22363, 23540, 28424, 34561, 35530, 36380, 40018, 40660, 44726, 47080, 69122, 71060, 72760, 80036, 81320, 89452, 100045, 111815, 138244, 142120, 160072, 172805, 178904, 200090, 223630, 276488, 345610, 380171, 400180, 447260, 691220, 760342, 800360, 894520, 1382440, 1520684, 1900855, 3041368, 3801710, 7603420, 15206840]

約数ペア:

[(1, 15206840), (2, 7603420), (4, 3801710), (5, 3041368), (8, 1900855), (10, 1520684), (11, 1382440), (17, 894520), (19, 800360), (20, 760342), (22, 691220), (34, 447260), (38, 400180), (40, 380171), (44, 345610), (55, 276488), (68, 223630), (76, 200090), (85, 178904), (88, 172805), (95, 160072), (107, 142120), (110, 138244), (136, 111815), (152, 100045), (170, 89452), (187, 81320), (190, 80036), (209, 72760), (214, 71060), (220, 69122), (323, 47080), (340, 44726), (374, 40660), (380, 40018), (418, 36380), (428, 35530), (440, 34561), (535, 28424), (646, 23540), (680, 22363), (748, 20330), (760, 20009), (836, 18190), (856, 17765), (935, 16264), (1045, 14552), (1070, 14212), (1177, 12920), (1292, 11770), (1496, 10165), (1615, 9416), (1672, 9095), (1819, 8360), (1870, 8132), (2033, 7480), (2090, 7276), (2140, 7106), (2354, 6460), (2584, 5885), (3230, 4708), (3553, 4280), (3638, 4180), (3740, 4066)]