90975040

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1151}}^1$

素因数の和:1200

約数の個数: 112

約数和(自身を含む): 245790720

約数和(自身を除く): 154815680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 320, 380, 416, 494, 520, 608, 760, 832, 988, 1040, 1151, 1216, 1235, 1520, 1976, 2080, 2302, 2470, 3040, 3952, 4160, 4604, 4940, 5755, 6080, 7904, 9208, 9880, 11510, 14963, 15808, 18416, 19760, 21869, 23020, 29926, 36832, 39520, 43738, 46040, 59852, 73664, 74815, 79040, 87476, 92080, 109345, 119704, 149630, 174952, 184160, 218690, 239408, 284297, 299260, 349904, 368320, 437380, 478816, 568594, 598520, 699808, 874760, 957632, 1137188, 1197040, 1399616, 1421485, 1749520, 2274376, 2394080, 2842970, 3499040, 4548752, 4788160, 5685940, 6998080, 9097504, 11371880, 18195008, 22743760, 45487520, 90975040]

約数ペア:

[(1, 90975040), (2, 45487520), (4, 22743760), (5, 18195008), (8, 11371880), (10, 9097504), (13, 6998080), (16, 5685940), (19, 4788160), (20, 4548752), (26, 3499040), (32, 2842970), (38, 2394080), (40, 2274376), (52, 1749520), (64, 1421485), (65, 1399616), (76, 1197040), (80, 1137188), (95, 957632), (104, 874760), (130, 699808), (152, 598520), (160, 568594), (190, 478816), (208, 437380), (247, 368320), (260, 349904), (304, 299260), (320, 284297), (380, 239408), (416, 218690), (494, 184160), (520, 174952), (608, 149630), (760, 119704), (832, 109345), (988, 92080), (1040, 87476), (1151, 79040), (1216, 74815), (1235, 73664), (1520, 59852), (1976, 46040), (2080, 43738), (2302, 39520), (2470, 36832), (3040, 29926), (3952, 23020), (4160, 21869), (4604, 19760), (4940, 18416), (5755, 15808), (6080, 14963), (7904, 11510), (9208, 9880)]