87310520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3253}}^1$

素因数の和:3336

約数の個数: 64

約数和(自身を含む): 217887840

約数和(自身を除く): 130577320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 220, 244, 305, 440, 488, 610, 671, 1220, 1342, 2440, 2684, 3253, 3355, 5368, 6506, 6710, 13012, 13420, 16265, 26024, 26840, 32530, 35783, 65060, 71566, 130120, 143132, 178915, 198433, 286264, 357830, 396866, 715660, 793732, 992165, 1431320, 1587464, 1984330, 2182763, 3968660, 4365526, 7937320, 8731052, 10913815, 17462104, 21827630, 43655260, 87310520]

約数ペア:

[(1, 87310520), (2, 43655260), (4, 21827630), (5, 17462104), (8, 10913815), (10, 8731052), (11, 7937320), (20, 4365526), (22, 3968660), (40, 2182763), (44, 1984330), (55, 1587464), (61, 1431320), (88, 992165), (110, 793732), (122, 715660), (220, 396866), (244, 357830), (305, 286264), (440, 198433), (488, 178915), (610, 143132), (671, 130120), (1220, 71566), (1342, 65060), (2440, 35783), (2684, 32530), (3253, 26840), (3355, 26024), (5368, 16265), (6506, 13420), (6710, 13012)]