90215970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{231323}}^1$

素因数の和:231346

約数の個数: 32

約数和(自身を含む): 233174592

約数和(自身を除く): 142958622

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 231323, 462646, 693969, 1156615, 1387938, 2313230, 3007199, 3469845, 6014398, 6939690, 9021597, 15035995, 18043194, 30071990, 45107985, 90215970]

約数ペア:

[(1, 90215970), (2, 45107985), (3, 30071990), (5, 18043194), (6, 15035995), (10, 9021597), (13, 6939690), (15, 6014398), (26, 3469845), (30, 3007199), (39, 2313230), (65, 1387938), (78, 1156615), (130, 693969), (195, 462646), (390, 231323)]