123375720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79087}}^1$

素因数の和:79114

約数の個数: 64

約数和(自身を含む): 398603520

約数和(自身を除く): 275227800

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, 79087, 158174, 237261, 316348, 395435, 474522, 632696, 790870, 949044, 1028131, 1186305, 1581740, 1898088, 2056262, 2372610, 3084393, 3163480, 4112524, 4745220, 5140655, 6168786, 8225048, 9490440, 10281310, 12337572, 15421965, 20562620, 24675144, 30843930, 41125240, 61687860, 123375720]

約数ペア:

[(1, 123375720), (2, 61687860), (3, 41125240), (4, 30843930), (5, 24675144), (6, 20562620), (8, 15421965), (10, 12337572), (12, 10281310), (13, 9490440), (15, 8225048), (20, 6168786), (24, 5140655), (26, 4745220), (30, 4112524), (39, 3163480), (40, 3084393), (52, 2372610), (60, 2056262), (65, 1898088), (78, 1581740), (104, 1186305), (120, 1028131), (130, 949044), (156, 790870), (195, 632696), (260, 474522), (312, 395435), (390, 316348), (520, 237261), (780, 158174), (1560, 79087)]