15697740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4289}}^1$

素因数の和:4362

約数の個数: 48

約数和(自身を含む): 44684640

約数和(自身を除く): 28986900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 4289, 8578, 12867, 17156, 21445, 25734, 42890, 51468, 64335, 85780, 128670, 257340, 261629, 523258, 784887, 1046516, 1308145, 1569774, 2616290, 3139548, 3924435, 5232580, 7848870, 15697740]

約数ペア:

[(1, 15697740), (2, 7848870), (3, 5232580), (4, 3924435), (5, 3139548), (6, 2616290), (10, 1569774), (12, 1308145), (15, 1046516), (20, 784887), (30, 523258), (60, 261629), (61, 257340), (122, 128670), (183, 85780), (244, 64335), (305, 51468), (366, 42890), (610, 25734), (732, 21445), (915, 17156), (1220, 12867), (1830, 8578), (3660, 4289)]