326086520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{499}}^1$

素因数の和:589

約数の個数: 96

約数和(自身を含む): 804330000

約数和(自身を除く): 478243480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 85, 124, 136, 155, 170, 248, 310, 340, 499, 527, 620, 680, 961, 998, 1054, 1240, 1922, 1996, 2108, 2495, 2635, 3844, 3992, 4216, 4805, 4990, 5270, 7688, 8483, 9610, 9980, 10540, 15469, 16337, 16966, 19220, 19960, 21080, 30938, 32674, 33932, 38440, 42415, 61876, 65348, 67864, 77345, 81685, 84830, 123752, 130696, 154690, 163370, 169660, 262973, 309380, 326740, 339320, 479539, 525946, 618760, 653480, 959078, 1051892, 1314865, 1918156, 2103784, 2397695, 2629730, 3836312, 4795390, 5259460, 8152163, 9590780, 10518920, 16304326, 19181560, 32608652, 40760815, 65217304, 81521630, 163043260, 326086520]

約数ペア:

[(1, 326086520), (2, 163043260), (4, 81521630), (5, 65217304), (8, 40760815), (10, 32608652), (17, 19181560), (20, 16304326), (31, 10518920), (34, 9590780), (40, 8152163), (62, 5259460), (68, 4795390), (85, 3836312), (124, 2629730), (136, 2397695), (155, 2103784), (170, 1918156), (248, 1314865), (310, 1051892), (340, 959078), (499, 653480), (527, 618760), (620, 525946), (680, 479539), (961, 339320), (998, 326740), (1054, 309380), (1240, 262973), (1922, 169660), (1996, 163370), (2108, 154690), (2495, 130696), (2635, 123752), (3844, 84830), (3992, 81685), (4216, 77345), (4805, 67864), (4990, 65348), (5270, 61876), (7688, 42415), (8483, 38440), (9610, 33932), (9980, 32674), (10540, 30938), (15469, 21080), (16337, 19960), (16966, 19220)]