68508640

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{283}}^1$

素因数の和:404

約数の個数: 96

約数和(自身を含む): 173910240

約数和(自身を除く): 105401600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 89, 136, 160, 170, 178, 272, 283, 340, 356, 445, 544, 566, 680, 712, 890, 1132, 1360, 1415, 1424, 1513, 1780, 2264, 2720, 2830, 2848, 3026, 3560, 4528, 4811, 5660, 6052, 7120, 7565, 9056, 9622, 11320, 12104, 14240, 15130, 19244, 22640, 24055, 24208, 25187, 30260, 38488, 45280, 48110, 48416, 50374, 60520, 76976, 96220, 100748, 121040, 125935, 153952, 192440, 201496, 242080, 251870, 384880, 402992, 428179, 503740, 769760, 805984, 856358, 1007480, 1712716, 2014960, 2140895, 3425432, 4029920, 4281790, 6850864, 8563580, 13701728, 17127160, 34254320, 68508640]

約数ペア:

[(1, 68508640), (2, 34254320), (4, 17127160), (5, 13701728), (8, 8563580), (10, 6850864), (16, 4281790), (17, 4029920), (20, 3425432), (32, 2140895), (34, 2014960), (40, 1712716), (68, 1007480), (80, 856358), (85, 805984), (89, 769760), (136, 503740), (160, 428179), (170, 402992), (178, 384880), (272, 251870), (283, 242080), (340, 201496), (356, 192440), (445, 153952), (544, 125935), (566, 121040), (680, 100748), (712, 96220), (890, 76976), (1132, 60520), (1360, 50374), (1415, 48416), (1424, 48110), (1513, 45280), (1780, 38488), (2264, 30260), (2720, 25187), (2830, 24208), (2848, 24055), (3026, 22640), (3560, 19244), (4528, 15130), (4811, 14240), (5660, 12104), (6052, 11320), (7120, 9622), (7565, 9056)]