180267880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{346669}}^1$

素因数の和:346693

約数の個数: 32

約数和(自身を含む): 436804200

約数和(自身を除く): 256536320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 346669, 693338, 1386676, 1733345, 2773352, 3466690, 4506697, 6933380, 9013394, 13866760, 18026788, 22533485, 36053576, 45066970, 90133940, 180267880]

約数ペア:

[(1, 180267880), (2, 90133940), (4, 45066970), (5, 36053576), (8, 22533485), (10, 18026788), (13, 13866760), (20, 9013394), (26, 6933380), (40, 4506697), (52, 3466690), (65, 2773352), (104, 1733345), (130, 1386676), (260, 693338), (520, 346669)]