198120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1$

素因数の和:154

約数の個数: 64

約数和(自身を含む): 645120

約数和(自身を除く): 447000

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, 127, 130, 156, 195, 254, 260, 312, 381, 390, 508, 520, 635, 762, 780, 1016, 1270, 1524, 1560, 1651, 1905, 2540, 3048, 3302, 3810, 4953, 5080, 6604, 7620, 8255, 9906, 13208, 15240, 16510, 19812, 24765, 33020, 39624, 49530, 66040, 99060, 198120]

約数ペア:

[(1, 198120), (2, 99060), (3, 66040), (4, 49530), (5, 39624), (6, 33020), (8, 24765), (10, 19812), (12, 16510), (13, 15240), (15, 13208), (20, 9906), (24, 8255), (26, 7620), (30, 6604), (39, 5080), (40, 4953), (52, 3810), (60, 3302), (65, 3048), (78, 2540), (104, 1905), (120, 1651), (127, 1560), (130, 1524), (156, 1270), (195, 1016), (254, 780), (260, 762), (312, 635), (381, 520), (390, 508)]