189968520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1627}}^1$

素因数の和:1787

約数の個数: 128

約数和(自身を含む): 656409600

約数和(自身を除く): 466441080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 139, 140, 168, 210, 278, 280, 417, 420, 556, 695, 834, 840, 973, 1112, 1390, 1627, 1668, 1946, 2085, 2780, 2919, 3254, 3336, 3892, 4170, 4865, 4881, 5560, 5838, 6508, 7784, 8135, 8340, 9730, 9762, 11389, 11676, 13016, 14595, 16270, 16680, 19460, 19524, 22778, 23352, 24405, 29190, 32540, 34167, 38920, 39048, 45556, 48810, 56945, 58380, 65080, 68334, 91112, 97620, 113890, 116760, 136668, 170835, 195240, 226153, 227780, 273336, 341670, 452306, 455560, 678459, 683340, 904612, 1130765, 1356918, 1366680, 1583071, 1809224, 2261530, 2713836, 3166142, 3392295, 4523060, 4749213, 5427672, 6332284, 6784590, 7915355, 9046120, 9498426, 12664568, 13569180, 15830710, 18996852, 23746065, 27138360, 31661420, 37993704, 47492130, 63322840, 94984260, 189968520]

約数ペア:

[(1, 189968520), (2, 94984260), (3, 63322840), (4, 47492130), (5, 37993704), (6, 31661420), (7, 27138360), (8, 23746065), (10, 18996852), (12, 15830710), (14, 13569180), (15, 12664568), (20, 9498426), (21, 9046120), (24, 7915355), (28, 6784590), (30, 6332284), (35, 5427672), (40, 4749213), (42, 4523060), (56, 3392295), (60, 3166142), (70, 2713836), (84, 2261530), (105, 1809224), (120, 1583071), (139, 1366680), (140, 1356918), (168, 1130765), (210, 904612), (278, 683340), (280, 678459), (417, 455560), (420, 452306), (556, 341670), (695, 273336), (834, 227780), (840, 226153), (973, 195240), (1112, 170835), (1390, 136668), (1627, 116760), (1668, 113890), (1946, 97620), (2085, 91112), (2780, 68334), (2919, 65080), (3254, 58380), (3336, 56945), (3892, 48810), (4170, 45556), (4865, 39048), (4881, 38920), (5560, 34167), (5838, 32540), (6508, 29190), (7784, 24405), (8135, 23352), (8340, 22778), (9730, 19524), (9762, 19460), (11389, 16680), (11676, 16270), (13016, 14595)]