31215240

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{4129}}^1$

素因数の和:4156

約数の個数: 128

約数和(自身を含む): 118944000

約数和(自身を除く): 87728760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 4129, 7560, 8258, 12387, 16516, 20645, 24774, 28903, 33032, 37161, 41290, 49548, 57806, 61935, 74322, 82580, 86709, 99096, 111483, 115612, 123870, 144515, 148644, 165160, 173418, 185805, 222966, 231224, 247740, 260127, 289030, 297288, 346836, 371610, 433545, 445932, 495480, 520254, 557415, 578060, 693672, 743220, 780381, 867090, 891864, 1040508, 1114830, 1156120, 1300635, 1486440, 1560762, 1734180, 2081016, 2229660, 2601270, 3121524, 3468360, 3901905, 4459320, 5202540, 6243048, 7803810, 10405080, 15607620, 31215240]

約数ペア:

[(1, 31215240), (2, 15607620), (3, 10405080), (4, 7803810), (5, 6243048), (6, 5202540), (7, 4459320), (8, 3901905), (9, 3468360), (10, 3121524), (12, 2601270), (14, 2229660), (15, 2081016), (18, 1734180), (20, 1560762), (21, 1486440), (24, 1300635), (27, 1156120), (28, 1114830), (30, 1040508), (35, 891864), (36, 867090), (40, 780381), (42, 743220), (45, 693672), (54, 578060), (56, 557415), (60, 520254), (63, 495480), (70, 445932), (72, 433545), (84, 371610), (90, 346836), (105, 297288), (108, 289030), (120, 260127), (126, 247740), (135, 231224), (140, 222966), (168, 185805), (180, 173418), (189, 165160), (210, 148644), (216, 144515), (252, 123870), (270, 115612), (280, 111483), (315, 99096), (360, 86709), (378, 82580), (420, 74322), (504, 61935), (540, 57806), (630, 49548), (756, 41290), (840, 37161), (945, 33032), (1080, 28903), (1260, 24774), (1512, 20645), (1890, 16516), (2520, 12387), (3780, 8258), (4129, 7560)]