128607180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{164881}}^1$

素因数の和:164906

約数の個数: 48

約数和(自身を含む): 387802464

約数和(自身を除く): 259195284

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, 164881, 329762, 494643, 659524, 824405, 989286, 1648810, 1978572, 2143453, 2473215, 3297620, 4286906, 4946430, 6430359, 8573812, 9892860, 10717265, 12860718, 21434530, 25721436, 32151795, 42869060, 64303590, 128607180]

約数ペア:

[(1, 128607180), (2, 64303590), (3, 42869060), (4, 32151795), (5, 25721436), (6, 21434530), (10, 12860718), (12, 10717265), (13, 9892860), (15, 8573812), (20, 6430359), (26, 4946430), (30, 4286906), (39, 3297620), (52, 2473215), (60, 2143453), (65, 1978572), (78, 1648810), (130, 989286), (156, 824405), (195, 659524), (260, 494643), (390, 329762), (780, 164881)]