631521520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{3407}}^1$

素因数の和:3758

約数の個数: 80

約数和(自身を含む): 1683606528

約数和(自身を除く): 1052085008

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 331, 560, 662, 1324, 1655, 2317, 2648, 3310, 3407, 4634, 5296, 6620, 6814, 9268, 11585, 13240, 13628, 17035, 18536, 23170, 23849, 26480, 27256, 34070, 37072, 46340, 47698, 54512, 68140, 92680, 95396, 119245, 136280, 185360, 190792, 238490, 272560, 381584, 476980, 953960, 1127717, 1907920, 2255434, 4510868, 5638585, 7894019, 9021736, 11277170, 15788038, 18043472, 22554340, 31576076, 39470095, 45108680, 63152152, 78940190, 90217360, 126304304, 157880380, 315760760, 631521520]

約数ペア:

[(1, 631521520), (2, 315760760), (4, 157880380), (5, 126304304), (7, 90217360), (8, 78940190), (10, 63152152), (14, 45108680), (16, 39470095), (20, 31576076), (28, 22554340), (35, 18043472), (40, 15788038), (56, 11277170), (70, 9021736), (80, 7894019), (112, 5638585), (140, 4510868), (280, 2255434), (331, 1907920), (560, 1127717), (662, 953960), (1324, 476980), (1655, 381584), (2317, 272560), (2648, 238490), (3310, 190792), (3407, 185360), (4634, 136280), (5296, 119245), (6620, 95396), (6814, 92680), (9268, 68140), (11585, 54512), (13240, 47698), (13628, 46340), (17035, 37072), (18536, 34070), (23170, 27256), (23849, 26480)]