161218680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{3253}}^1$

素因数の和:3333

約数の個数: 128

約数和(自身を含む): 562291200

約数和(自身を除く): 401072520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 59, 60, 70, 84, 105, 118, 120, 140, 168, 177, 210, 236, 280, 295, 354, 413, 420, 472, 590, 708, 826, 840, 885, 1180, 1239, 1416, 1652, 1770, 2065, 2360, 2478, 3253, 3304, 3540, 4130, 4956, 6195, 6506, 7080, 8260, 9759, 9912, 12390, 13012, 16265, 16520, 19518, 22771, 24780, 26024, 32530, 39036, 45542, 48795, 49560, 65060, 68313, 78072, 91084, 97590, 113855, 130120, 136626, 182168, 191927, 195180, 227710, 273252, 341565, 383854, 390360, 455420, 546504, 575781, 683130, 767708, 910840, 959635, 1151562, 1343489, 1366260, 1535416, 1919270, 2303124, 2686978, 2732520, 2878905, 3838540, 4030467, 4606248, 5373956, 5757810, 6717445, 7677080, 8060934, 10747912, 11515620, 13434890, 16121868, 20152335, 23031240, 26869780, 32243736, 40304670, 53739560, 80609340, 161218680]

約数ペア:

[(1, 161218680), (2, 80609340), (3, 53739560), (4, 40304670), (5, 32243736), (6, 26869780), (7, 23031240), (8, 20152335), (10, 16121868), (12, 13434890), (14, 11515620), (15, 10747912), (20, 8060934), (21, 7677080), (24, 6717445), (28, 5757810), (30, 5373956), (35, 4606248), (40, 4030467), (42, 3838540), (56, 2878905), (59, 2732520), (60, 2686978), (70, 2303124), (84, 1919270), (105, 1535416), (118, 1366260), (120, 1343489), (140, 1151562), (168, 959635), (177, 910840), (210, 767708), (236, 683130), (280, 575781), (295, 546504), (354, 455420), (413, 390360), (420, 383854), (472, 341565), (590, 273252), (708, 227710), (826, 195180), (840, 191927), (885, 182168), (1180, 136626), (1239, 130120), (1416, 113855), (1652, 97590), (1770, 91084), (2065, 78072), (2360, 68313), (2478, 65060), (3253, 49560), (3304, 48795), (3540, 45542), (4130, 39036), (4956, 32530), (6195, 26024), (6506, 24780), (7080, 22771), (8260, 19518), (9759, 16520), (9912, 16265), (12390, 13012)]