312181520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1$

素因数の和:505

約数の個数: 160

約数和(自身を含む): 878515200

約数和(自身を除く): 566333680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 47, 56, 58, 70, 80, 94, 112, 116, 140, 145, 188, 203, 232, 235, 280, 290, 329, 376, 406, 409, 464, 470, 560, 580, 658, 752, 812, 818, 940, 1015, 1160, 1316, 1363, 1624, 1636, 1645, 1880, 2030, 2045, 2320, 2632, 2726, 2863, 3248, 3272, 3290, 3760, 4060, 4090, 5264, 5452, 5726, 6544, 6580, 6815, 8120, 8180, 9541, 10904, 11452, 11861, 13160, 13630, 14315, 16240, 16360, 19082, 19223, 21808, 22904, 23722, 26320, 27260, 28630, 32720, 38164, 38446, 45808, 47444, 47705, 54520, 57260, 59305, 76328, 76892, 83027, 94888, 95410, 96115, 109040, 114520, 118610, 134561, 152656, 153784, 166054, 189776, 190820, 192230, 229040, 237220, 269122, 307568, 332108, 381640, 384460, 415135, 474440, 538244, 557467, 664216, 672805, 763280, 768920, 830270, 948880, 1076488, 1114934, 1328432, 1345610, 1537840, 1660540, 2152976, 2229868, 2691220, 2787335, 3321080, 3902269, 4459736, 5382440, 5574670, 6642160, 7804538, 8919472, 10764880, 11149340, 15609076, 19511345, 22298680, 31218152, 39022690, 44597360, 62436304, 78045380, 156090760, 312181520]

約数ペア:

[(1, 312181520), (2, 156090760), (4, 78045380), (5, 62436304), (7, 44597360), (8, 39022690), (10, 31218152), (14, 22298680), (16, 19511345), (20, 15609076), (28, 11149340), (29, 10764880), (35, 8919472), (40, 7804538), (47, 6642160), (56, 5574670), (58, 5382440), (70, 4459736), (80, 3902269), (94, 3321080), (112, 2787335), (116, 2691220), (140, 2229868), (145, 2152976), (188, 1660540), (203, 1537840), (232, 1345610), (235, 1328432), (280, 1114934), (290, 1076488), (329, 948880), (376, 830270), (406, 768920), (409, 763280), (464, 672805), (470, 664216), (560, 557467), (580, 538244), (658, 474440), (752, 415135), (812, 384460), (818, 381640), (940, 332108), (1015, 307568), (1160, 269122), (1316, 237220), (1363, 229040), (1624, 192230), (1636, 190820), (1645, 189776), (1880, 166054), (2030, 153784), (2045, 152656), (2320, 134561), (2632, 118610), (2726, 114520), (2863, 109040), (3248, 96115), (3272, 95410), (3290, 94888), (3760, 83027), (4060, 76892), (4090, 76328), (5264, 59305), (5452, 57260), (5726, 54520), (6544, 47705), (6580, 47444), (6815, 45808), (8120, 38446), (8180, 38164), (9541, 32720), (10904, 28630), (11452, 27260), (11861, 26320), (13160, 23722), (13630, 22904), (14315, 21808), (16240, 19223), (16360, 19082)]