131240280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{17929}}^1$

素因数の和:18004

約数の個数: 64

約数和(自身を含む): 400197600

約数和(自身を除く): 268957320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 244, 305, 366, 488, 610, 732, 915, 1220, 1464, 1830, 2440, 3660, 7320, 17929, 35858, 53787, 71716, 89645, 107574, 143432, 179290, 215148, 268935, 358580, 430296, 537870, 717160, 1075740, 1093669, 2151480, 2187338, 3281007, 4374676, 5468345, 6562014, 8749352, 10936690, 13124028, 16405035, 21873380, 26248056, 32810070, 43746760, 65620140, 131240280]

約数ペア:

[(1, 131240280), (2, 65620140), (3, 43746760), (4, 32810070), (5, 26248056), (6, 21873380), (8, 16405035), (10, 13124028), (12, 10936690), (15, 8749352), (20, 6562014), (24, 5468345), (30, 4374676), (40, 3281007), (60, 2187338), (61, 2151480), (120, 1093669), (122, 1075740), (183, 717160), (244, 537870), (305, 430296), (366, 358580), (488, 268935), (610, 215148), (732, 179290), (915, 143432), (1220, 107574), (1464, 89645), (1830, 71716), (2440, 53787), (3660, 35858), (7320, 17929)]