79279980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101641}}^1$

素因数の和:101666

約数の個数: 48

約数和(自身を含む): 239061984

約数和(自身を除く): 159782004

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, 101641, 203282, 304923, 406564, 508205, 609846, 1016410, 1219692, 1321333, 1524615, 2032820, 2642666, 3049230, 3963999, 5285332, 6098460, 6606665, 7927998, 13213330, 15855996, 19819995, 26426660, 39639990, 79279980]

約数ペア:

[(1, 79279980), (2, 39639990), (3, 26426660), (4, 19819995), (5, 15855996), (6, 13213330), (10, 7927998), (12, 6606665), (13, 6098460), (15, 5285332), (20, 3963999), (26, 3049230), (30, 2642666), (39, 2032820), (52, 1524615), (60, 1321333), (65, 1219692), (78, 1016410), (130, 609846), (156, 508205), (195, 406564), (260, 304923), (390, 203282), (780, 101641)]