311313660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^4\times {\mathrm{2161}}^1$

素因数の和:2201

約数の個数: 120

約数和(自身を含む): 1017368016

約数和(自身を除く): 706054356

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 343, 420, 490, 588, 686, 735, 980, 1029, 1372, 1470, 1715, 2058, 2161, 2401, 2940, 3430, 4116, 4322, 4802, 5145, 6483, 6860, 7203, 8644, 9604, 10290, 10805, 12005, 12966, 14406, 15127, 20580, 21610, 24010, 25932, 28812, 30254, 32415, 36015, 43220, 45381, 48020, 60508, 64830, 72030, 75635, 90762, 105889, 129660, 144060, 151270, 181524, 211778, 226905, 302540, 317667, 423556, 453810, 529445, 635334, 741223, 907620, 1058890, 1270668, 1482446, 1588335, 2117780, 2223669, 2964892, 3176670, 3706115, 4447338, 5188561, 6353340, 7412230, 8894676, 10377122, 11118345, 14824460, 15565683, 20754244, 22236690, 25942805, 31131366, 44473380, 51885610, 62262732, 77828415, 103771220, 155656830, 311313660]

約数ペア:

[(1, 311313660), (2, 155656830), (3, 103771220), (4, 77828415), (5, 62262732), (6, 51885610), (7, 44473380), (10, 31131366), (12, 25942805), (14, 22236690), (15, 20754244), (20, 15565683), (21, 14824460), (28, 11118345), (30, 10377122), (35, 8894676), (42, 7412230), (49, 6353340), (60, 5188561), (70, 4447338), (84, 3706115), (98, 3176670), (105, 2964892), (140, 2223669), (147, 2117780), (196, 1588335), (210, 1482446), (245, 1270668), (294, 1058890), (343, 907620), (420, 741223), (490, 635334), (588, 529445), (686, 453810), (735, 423556), (980, 317667), (1029, 302540), (1372, 226905), (1470, 211778), (1715, 181524), (2058, 151270), (2161, 144060), (2401, 129660), (2940, 105889), (3430, 90762), (4116, 75635), (4322, 72030), (4802, 64830), (5145, 60508), (6483, 48020), (6860, 45381), (7203, 43220), (8644, 36015), (9604, 32415), (10290, 30254), (10805, 28812), (12005, 25932), (12966, 24010), (14406, 21610), (15127, 20580)]