665003820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{852569}}^1$

素因数の和:852594

約数の個数: 48

約数和(自身を含む): 2005244640

約数和(自身を除く): 1340240820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 852569, 1705138, 2557707, 3410276, 4262845, 5115414, 8525690, 10230828, 11083397, 12788535, 17051380, 22166794, 25577070, 33250191, 44333588, 51154140, 55416985, 66500382, 110833970, 133000764, 166250955, 221667940, 332501910, 665003820]

約数ペア:

[(1, 665003820), (2, 332501910), (3, 221667940), (4, 166250955), (5, 133000764), (6, 110833970), (10, 66500382), (12, 55416985), (13, 51154140), (15, 44333588), (20, 33250191), (26, 25577070), (30, 22166794), (39, 17051380), (52, 12788535), (60, 11083397), (65, 10230828), (78, 8525690), (130, 5115414), (156, 4262845), (195, 3410276), (260, 2557707), (390, 1705138), (780, 852569)]