1421940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1823}}^1$

素因数の和:1848

約数の個数: 48

約数和(自身を含む): 4290048

約数和(自身を除く): 2868108

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, 1823, 3646, 5469, 7292, 9115, 10938, 18230, 21876, 23699, 27345, 36460, 47398, 54690, 71097, 94796, 109380, 118495, 142194, 236990, 284388, 355485, 473980, 710970, 1421940]

約数ペア:

[(1, 1421940), (2, 710970), (3, 473980), (4, 355485), (5, 284388), (6, 236990), (10, 142194), (12, 118495), (13, 109380), (15, 94796), (20, 71097), (26, 54690), (30, 47398), (39, 36460), (52, 27345), (60, 23699), (65, 21876), (78, 18230), (130, 10938), (156, 9115), (195, 7292), (260, 5469), (390, 3646), (780, 1823)]