2154235980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2761841}}^1$

素因数の和:2761866

約数の個数: 48

約数和(自身を含む): 6495852384

約数和(自身を除く): 4341616404

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, 2761841, 5523682, 8285523, 11047364, 13809205, 16571046, 27618410, 33142092, 35903933, 41427615, 55236820, 71807866, 82855230, 107711799, 143615732, 165710460, 179519665, 215423598, 359039330, 430847196, 538558995, 718078660, 1077117990, 2154235980]

約数ペア:

[(1, 2154235980), (2, 1077117990), (3, 718078660), (4, 538558995), (5, 430847196), (6, 359039330), (10, 215423598), (12, 179519665), (13, 165710460), (15, 143615732), (20, 107711799), (26, 82855230), (30, 71807866), (39, 55236820), (52, 41427615), (60, 35903933), (65, 33142092), (78, 27618410), (130, 16571046), (156, 13809205), (195, 11047364), (260, 8285523), (390, 5523682), (780, 2761841)]