15265460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:481

約数の個数: 72

約数和(自身を含む): 38390184

約数和(自身を除く): 23124724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 70, 74, 98, 140, 148, 185, 196, 245, 259, 370, 421, 490, 518, 740, 842, 980, 1036, 1295, 1684, 1813, 2105, 2590, 2947, 3626, 4210, 5180, 5894, 7252, 8420, 9065, 11788, 14735, 15577, 18130, 20629, 29470, 31154, 36260, 41258, 58940, 62308, 77885, 82516, 103145, 109039, 155770, 206290, 218078, 311540, 412580, 436156, 545195, 763273, 1090390, 1526546, 2180780, 3053092, 3816365, 7632730, 15265460]

約数ペア:

[(1, 15265460), (2, 7632730), (4, 3816365), (5, 3053092), (7, 2180780), (10, 1526546), (14, 1090390), (20, 763273), (28, 545195), (35, 436156), (37, 412580), (49, 311540), (70, 218078), (74, 206290), (98, 155770), (140, 109039), (148, 103145), (185, 82516), (196, 77885), (245, 62308), (259, 58940), (370, 41258), (421, 36260), (490, 31154), (518, 29470), (740, 20629), (842, 18130), (980, 15577), (1036, 14735), (1295, 11788), (1684, 9065), (1813, 8420), (2105, 7252), (2590, 5894), (2947, 5180), (3626, 4210)]