288209480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{941}}^1$

素因数の和:1015

約数の個数: 128

約数和(自身を含む): 759628800

約数和(自身を除く): 471419320

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 31, 38, 40, 52, 62, 65, 76, 95, 104, 124, 130, 152, 155, 190, 247, 248, 260, 310, 380, 403, 494, 520, 589, 620, 760, 806, 941, 988, 1178, 1235, 1240, 1612, 1882, 1976, 2015, 2356, 2470, 2945, 3224, 3764, 4030, 4705, 4712, 4940, 5890, 7528, 7657, 8060, 9410, 9880, 11780, 12233, 15314, 16120, 17879, 18820, 23560, 24466, 29171, 30628, 35758, 37640, 38285, 48932, 58342, 61165, 61256, 71516, 76570, 89395, 97864, 116684, 122330, 143032, 145855, 153140, 178790, 232427, 233368, 244660, 291710, 306280, 357580, 379223, 464854, 489320, 554249, 583420, 715160, 758446, 929708, 1108498, 1162135, 1166840, 1516892, 1859416, 1896115, 2216996, 2324270, 2771245, 3033784, 3792230, 4433992, 4648540, 5542490, 7205237, 7584460, 9297080, 11084980, 14410474, 15168920, 22169960, 28820948, 36026185, 57641896, 72052370, 144104740, 288209480]

約数ペア:

[(1, 288209480), (2, 144104740), (4, 72052370), (5, 57641896), (8, 36026185), (10, 28820948), (13, 22169960), (19, 15168920), (20, 14410474), (26, 11084980), (31, 9297080), (38, 7584460), (40, 7205237), (52, 5542490), (62, 4648540), (65, 4433992), (76, 3792230), (95, 3033784), (104, 2771245), (124, 2324270), (130, 2216996), (152, 1896115), (155, 1859416), (190, 1516892), (247, 1166840), (248, 1162135), (260, 1108498), (310, 929708), (380, 758446), (403, 715160), (494, 583420), (520, 554249), (589, 489320), (620, 464854), (760, 379223), (806, 357580), (941, 306280), (988, 291710), (1178, 244660), (1235, 233368), (1240, 232427), (1612, 178790), (1882, 153140), (1976, 145855), (2015, 143032), (2356, 122330), (2470, 116684), (2945, 97864), (3224, 89395), (3764, 76570), (4030, 71516), (4705, 61256), (4712, 61165), (4940, 58342), (5890, 48932), (7528, 38285), (7657, 37640), (8060, 35758), (9410, 30628), (9880, 29171), (11780, 24466), (12233, 23560), (15314, 18820), (16120, 17879)]