1377880020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{695899}}^1$

素因数の和:695925

約数の個数: 72

約数和(自身を含む): 4559536800

約数和(自身を除く): 3181656780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 695899, 1391798, 2087697, 2783596, 3479495, 4175394, 6263091, 6958990, 7654889, 8350788, 10438485, 12526182, 13917980, 15309778, 20876970, 22964667, 25052364, 30619556, 31315455, 38274445, 41753940, 45929334, 62630910, 68894001, 76548890, 91858668, 114823335, 125261820, 137788002, 153097780, 229646670, 275576004, 344470005, 459293340, 688940010, 1377880020]

約数ペア:

[(1, 1377880020), (2, 688940010), (3, 459293340), (4, 344470005), (5, 275576004), (6, 229646670), (9, 153097780), (10, 137788002), (11, 125261820), (12, 114823335), (15, 91858668), (18, 76548890), (20, 68894001), (22, 62630910), (30, 45929334), (33, 41753940), (36, 38274445), (44, 31315455), (45, 30619556), (55, 25052364), (60, 22964667), (66, 20876970), (90, 15309778), (99, 13917980), (110, 12526182), (132, 10438485), (165, 8350788), (180, 7654889), (198, 6958990), (220, 6263091), (330, 4175394), (396, 3479495), (495, 2783596), (660, 2087697), (990, 1391798), (1980, 695899)]