66818440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6763}}^1$

素因数の和:6806

約数の個数: 64

約数和(自身を含む): 170452800

約数和(自身を除く): 103634360

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 6763, 9880, 13526, 27052, 33815, 54104, 67630, 87919, 128497, 135260, 175838, 256994, 270520, 351676, 439595, 513988, 642485, 703352, 879190, 1027976, 1284970, 1670461, 1758380, 2569940, 3340922, 3516760, 5139880, 6681844, 8352305, 13363688, 16704610, 33409220, 66818440]

約数ペア:

[(1, 66818440), (2, 33409220), (4, 16704610), (5, 13363688), (8, 8352305), (10, 6681844), (13, 5139880), (19, 3516760), (20, 3340922), (26, 2569940), (38, 1758380), (40, 1670461), (52, 1284970), (65, 1027976), (76, 879190), (95, 703352), (104, 642485), (130, 513988), (152, 439595), (190, 351676), (247, 270520), (260, 256994), (380, 175838), (494, 135260), (520, 128497), (760, 87919), (988, 67630), (1235, 54104), (1976, 33815), (2470, 27052), (4940, 13526), (6763, 9880)]