215458680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{3407}}^1$

素因数の和:3469

約数の個数: 128

約数和(自身を含む): 706682880

約数和(自身を除く): 491224200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 31, 34, 40, 51, 60, 62, 68, 85, 93, 102, 120, 124, 136, 155, 170, 186, 204, 248, 255, 310, 340, 372, 408, 465, 510, 527, 620, 680, 744, 930, 1020, 1054, 1240, 1581, 1860, 2040, 2108, 2635, 3162, 3407, 3720, 4216, 5270, 6324, 6814, 7905, 10221, 10540, 12648, 13628, 15810, 17035, 20442, 21080, 27256, 31620, 34070, 40884, 51105, 57919, 63240, 68140, 81768, 102210, 105617, 115838, 136280, 173757, 204420, 211234, 231676, 289595, 316851, 347514, 408840, 422468, 463352, 528085, 579190, 633702, 695028, 844936, 868785, 1056170, 1158380, 1267404, 1390056, 1584255, 1737570, 1795489, 2112340, 2316760, 2534808, 3168510, 3475140, 3590978, 4224680, 5386467, 6337020, 6950280, 7181956, 8977445, 10772934, 12674040, 14363912, 17954890, 21545868, 26932335, 35909780, 43091736, 53864670, 71819560, 107729340, 215458680]

約数ペア:

[(1, 215458680), (2, 107729340), (3, 71819560), (4, 53864670), (5, 43091736), (6, 35909780), (8, 26932335), (10, 21545868), (12, 17954890), (15, 14363912), (17, 12674040), (20, 10772934), (24, 8977445), (30, 7181956), (31, 6950280), (34, 6337020), (40, 5386467), (51, 4224680), (60, 3590978), (62, 3475140), (68, 3168510), (85, 2534808), (93, 2316760), (102, 2112340), (120, 1795489), (124, 1737570), (136, 1584255), (155, 1390056), (170, 1267404), (186, 1158380), (204, 1056170), (248, 868785), (255, 844936), (310, 695028), (340, 633702), (372, 579190), (408, 528085), (465, 463352), (510, 422468), (527, 408840), (620, 347514), (680, 316851), (744, 289595), (930, 231676), (1020, 211234), (1054, 204420), (1240, 173757), (1581, 136280), (1860, 115838), (2040, 105617), (2108, 102210), (2635, 81768), (3162, 68140), (3407, 63240), (3720, 57919), (4216, 51105), (5270, 40884), (6324, 34070), (6814, 31620), (7905, 27256), (10221, 21080), (10540, 20442), (12648, 17035), (13628, 15810)]