129341920

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{293}}^1$

素因数の和:428

約数の個数: 96

約数和(自身を含む): 320060160

約数和(自身を除く): 190718240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 89, 124, 155, 160, 178, 248, 293, 310, 356, 445, 496, 586, 620, 712, 890, 992, 1172, 1240, 1424, 1465, 1780, 2344, 2480, 2759, 2848, 2930, 3560, 4688, 4960, 5518, 5860, 7120, 9083, 9376, 11036, 11720, 13795, 14240, 18166, 22072, 23440, 26077, 27590, 36332, 44144, 45415, 46880, 52154, 55180, 72664, 88288, 90830, 104308, 110360, 130385, 145328, 181660, 208616, 220720, 260770, 290656, 363320, 417232, 441440, 521540, 726640, 808387, 834464, 1043080, 1453280, 1616774, 2086160, 3233548, 4041935, 4172320, 6467096, 8083870, 12934192, 16167740, 25868384, 32335480, 64670960, 129341920]

約数ペア:

[(1, 129341920), (2, 64670960), (4, 32335480), (5, 25868384), (8, 16167740), (10, 12934192), (16, 8083870), (20, 6467096), (31, 4172320), (32, 4041935), (40, 3233548), (62, 2086160), (80, 1616774), (89, 1453280), (124, 1043080), (155, 834464), (160, 808387), (178, 726640), (248, 521540), (293, 441440), (310, 417232), (356, 363320), (445, 290656), (496, 260770), (586, 220720), (620, 208616), (712, 181660), (890, 145328), (992, 130385), (1172, 110360), (1240, 104308), (1424, 90830), (1465, 88288), (1780, 72664), (2344, 55180), (2480, 52154), (2759, 46880), (2848, 45415), (2930, 44144), (3560, 36332), (4688, 27590), (4960, 26077), (5518, 23440), (5860, 22072), (7120, 18166), (9083, 14240), (9376, 13795), (11036, 11720)]