261988440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{10061}}^1$

素因数の和:10113

約数の個数: 128

約数和(自身を含む): 927313920

約数和(自身を除く): 665325480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1736, 1860, 2170, 2604, 3255, 3720, 4340, 5208, 6510, 8680, 10061, 13020, 20122, 26040, 30183, 40244, 50305, 60366, 70427, 80488, 100610, 120732, 140854, 150915, 201220, 211281, 241464, 281708, 301830, 311891, 352135, 402440, 422562, 563416, 603660, 623782, 704270, 845124, 935673, 1056405, 1207320, 1247564, 1408540, 1559455, 1690248, 1871346, 2112810, 2183237, 2495128, 2817080, 3118910, 3742692, 4225620, 4366474, 4678365, 6237820, 6549711, 7485384, 8451240, 8732948, 9356730, 10916185, 12475640, 13099422, 17465896, 18713460, 21832370, 26198844, 32748555, 37426920, 43664740, 52397688, 65497110, 87329480, 130994220, 261988440]

約数ペア:

[(1, 261988440), (2, 130994220), (3, 87329480), (4, 65497110), (5, 52397688), (6, 43664740), (7, 37426920), (8, 32748555), (10, 26198844), (12, 21832370), (14, 18713460), (15, 17465896), (20, 13099422), (21, 12475640), (24, 10916185), (28, 9356730), (30, 8732948), (31, 8451240), (35, 7485384), (40, 6549711), (42, 6237820), (56, 4678365), (60, 4366474), (62, 4225620), (70, 3742692), (84, 3118910), (93, 2817080), (105, 2495128), (120, 2183237), (124, 2112810), (140, 1871346), (155, 1690248), (168, 1559455), (186, 1408540), (210, 1247564), (217, 1207320), (248, 1056405), (280, 935673), (310, 845124), (372, 704270), (420, 623782), (434, 603660), (465, 563416), (620, 422562), (651, 402440), (744, 352135), (840, 311891), (868, 301830), (930, 281708), (1085, 241464), (1240, 211281), (1302, 201220), (1736, 150915), (1860, 140854), (2170, 120732), (2604, 100610), (3255, 80488), (3720, 70427), (4340, 60366), (5208, 50305), (6510, 40244), (8680, 30183), (10061, 26040), (13020, 20122)]