128139960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{82141}}^1$

素因数の和:82168

約数の個数: 64

約数和(自身を含む): 413995680

約数和(自身を除く): 285855720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 82141, 164282, 246423, 328564, 410705, 492846, 657128, 821410, 985692, 1067833, 1232115, 1642820, 1971384, 2135666, 2464230, 3203499, 3285640, 4271332, 4928460, 5339165, 6406998, 8542664, 9856920, 10678330, 12813996, 16017495, 21356660, 25627992, 32034990, 42713320, 64069980, 128139960]

約数ペア:

[(1, 128139960), (2, 64069980), (3, 42713320), (4, 32034990), (5, 25627992), (6, 21356660), (8, 16017495), (10, 12813996), (12, 10678330), (13, 9856920), (15, 8542664), (20, 6406998), (24, 5339165), (26, 4928460), (30, 4271332), (39, 3285640), (40, 3203499), (52, 2464230), (60, 2135666), (65, 1971384), (78, 1642820), (104, 1232115), (120, 1067833), (130, 985692), (156, 821410), (195, 657128), (260, 492846), (312, 410705), (390, 328564), (520, 246423), (780, 164282), (1560, 82141)]