31890600

素因数分解:

$2^3\times 3^2\times 5^2\times 7^1\times {\mathrm{2531}}^1$

素因数の和:2560

約数の個数: 144

約数和(自身を含む): 122447520

約数和(自身を除く): 90556920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 50, 56, 60, 63, 70, 72, 75, 84, 90, 100, 105, 120, 126, 140, 150, 168, 175, 180, 200, 210, 225, 252, 280, 300, 315, 350, 360, 420, 450, 504, 525, 600, 630, 700, 840, 900, 1050, 1260, 1400, 1575, 1800, 2100, 2520, 2531, 3150, 4200, 5062, 6300, 7593, 10124, 12600, 12655, 15186, 17717, 20248, 22779, 25310, 30372, 35434, 37965, 45558, 50620, 53151, 60744, 63275, 70868, 75930, 88585, 91116, 101240, 106302, 113895, 126550, 141736, 151860, 159453, 177170, 182232, 189825, 212604, 227790, 253100, 265755, 303720, 318906, 354340, 379650, 425208, 442925, 455580, 506200, 531510, 569475, 637812, 708680, 759300, 797265, 885850, 911160, 1063020, 1138950, 1275624, 1328775, 1518600, 1594530, 1771700, 2126040, 2277900, 2657550, 3189060, 3543400, 3986325, 4555800, 5315100, 6378120, 7972650, 10630200, 15945300, 31890600]

約数ペア:

[(1, 31890600), (2, 15945300), (3, 10630200), (4, 7972650), (5, 6378120), (6, 5315100), (7, 4555800), (8, 3986325), (9, 3543400), (10, 3189060), (12, 2657550), (14, 2277900), (15, 2126040), (18, 1771700), (20, 1594530), (21, 1518600), (24, 1328775), (25, 1275624), (28, 1138950), (30, 1063020), (35, 911160), (36, 885850), (40, 797265), (42, 759300), (45, 708680), (50, 637812), (56, 569475), (60, 531510), (63, 506200), (70, 455580), (72, 442925), (75, 425208), (84, 379650), (90, 354340), (100, 318906), (105, 303720), (120, 265755), (126, 253100), (140, 227790), (150, 212604), (168, 189825), (175, 182232), (180, 177170), (200, 159453), (210, 151860), (225, 141736), (252, 126550), (280, 113895), (300, 106302), (315, 101240), (350, 91116), (360, 88585), (420, 75930), (450, 70868), (504, 63275), (525, 60744), (600, 53151), (630, 50620), (700, 45558), (840, 37965), (900, 35434), (1050, 30372), (1260, 25310), (1400, 22779), (1575, 20248), (1800, 17717), (2100, 15186), (2520, 12655), (2531, 12600), (3150, 10124), (4200, 7593), (5062, 6300)]