31901520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1117}}^1$

素因数の和:1157

約数の個数: 160

約数和(自身を含む): 119778048

約数和(自身を除く): 87876528

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 48, 51, 56, 60, 68, 70, 80, 84, 85, 102, 105, 112, 119, 120, 136, 140, 168, 170, 204, 210, 238, 240, 255, 272, 280, 336, 340, 357, 408, 420, 476, 510, 560, 595, 680, 714, 816, 840, 952, 1020, 1117, 1190, 1360, 1428, 1680, 1785, 1904, 2040, 2234, 2380, 2856, 3351, 3570, 4080, 4468, 4760, 5585, 5712, 6702, 7140, 7819, 8936, 9520, 11170, 13404, 14280, 15638, 16755, 17872, 18989, 22340, 23457, 26808, 28560, 31276, 33510, 37978, 39095, 44680, 46914, 53616, 56967, 62552, 67020, 75956, 78190, 89360, 93828, 94945, 113934, 117285, 125104, 132923, 134040, 151912, 156380, 187656, 189890, 227868, 234570, 265846, 268080, 284835, 303824, 312760, 375312, 379780, 398769, 455736, 469140, 531692, 569670, 625520, 664615, 759560, 797538, 911472, 938280, 1063384, 1139340, 1329230, 1519120, 1595076, 1876560, 1993845, 2126768, 2278680, 2658460, 3190152, 3987690, 4557360, 5316920, 6380304, 7975380, 10633840, 15950760, 31901520]

約数ペア:

[(1, 31901520), (2, 15950760), (3, 10633840), (4, 7975380), (5, 6380304), (6, 5316920), (7, 4557360), (8, 3987690), (10, 3190152), (12, 2658460), (14, 2278680), (15, 2126768), (16, 1993845), (17, 1876560), (20, 1595076), (21, 1519120), (24, 1329230), (28, 1139340), (30, 1063384), (34, 938280), (35, 911472), (40, 797538), (42, 759560), (48, 664615), (51, 625520), (56, 569670), (60, 531692), (68, 469140), (70, 455736), (80, 398769), (84, 379780), (85, 375312), (102, 312760), (105, 303824), (112, 284835), (119, 268080), (120, 265846), (136, 234570), (140, 227868), (168, 189890), (170, 187656), (204, 156380), (210, 151912), (238, 134040), (240, 132923), (255, 125104), (272, 117285), (280, 113934), (336, 94945), (340, 93828), (357, 89360), (408, 78190), (420, 75956), (476, 67020), (510, 62552), (560, 56967), (595, 53616), (680, 46914), (714, 44680), (816, 39095), (840, 37978), (952, 33510), (1020, 31276), (1117, 28560), (1190, 26808), (1360, 23457), (1428, 22340), (1680, 18989), (1785, 17872), (1904, 16755), (2040, 15638), (2234, 14280), (2380, 13404), (2856, 11170), (3351, 9520), (3570, 8936), (4080, 7819), (4468, 7140), (4760, 6702), (5585, 5712)]