254881680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{349}}^1$

素因数の和:561

約数の個数: 160

約数和(自身を含む): 843696000

約数和(自身を除く): 588814320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 179, 204, 240, 255, 272, 340, 349, 358, 408, 510, 537, 680, 698, 716, 816, 895, 1020, 1047, 1074, 1360, 1396, 1432, 1745, 1790, 2040, 2094, 2148, 2685, 2792, 2864, 3043, 3490, 3580, 4080, 4188, 4296, 5235, 5370, 5584, 5933, 6086, 6980, 7160, 8376, 8592, 9129, 10470, 10740, 11866, 12172, 13960, 14320, 15215, 16752, 17799, 18258, 20940, 21480, 23732, 24344, 27920, 29665, 30430, 35598, 36516, 41880, 42960, 45645, 47464, 48688, 59330, 60860, 62471, 71196, 73032, 83760, 88995, 91290, 94928, 118660, 121720, 124942, 142392, 146064, 177990, 182580, 187413, 237320, 243440, 249884, 284784, 312355, 355980, 365160, 374826, 474640, 499768, 624710, 711960, 730320, 749652, 937065, 999536, 1062007, 1249420, 1423920, 1499304, 1874130, 2124014, 2498840, 2998608, 3186021, 3748260, 4248028, 4997680, 5310035, 6372042, 7496520, 8496056, 10620070, 12744084, 14993040, 15930105, 16992112, 21240140, 25488168, 31860210, 42480280, 50976336, 63720420, 84960560, 127440840, 254881680]

約数ペア:

[(1, 254881680), (2, 127440840), (3, 84960560), (4, 63720420), (5, 50976336), (6, 42480280), (8, 31860210), (10, 25488168), (12, 21240140), (15, 16992112), (16, 15930105), (17, 14993040), (20, 12744084), (24, 10620070), (30, 8496056), (34, 7496520), (40, 6372042), (48, 5310035), (51, 4997680), (60, 4248028), (68, 3748260), (80, 3186021), (85, 2998608), (102, 2498840), (120, 2124014), (136, 1874130), (170, 1499304), (179, 1423920), (204, 1249420), (240, 1062007), (255, 999536), (272, 937065), (340, 749652), (349, 730320), (358, 711960), (408, 624710), (510, 499768), (537, 474640), (680, 374826), (698, 365160), (716, 355980), (816, 312355), (895, 284784), (1020, 249884), (1047, 243440), (1074, 237320), (1360, 187413), (1396, 182580), (1432, 177990), (1745, 146064), (1790, 142392), (2040, 124942), (2094, 121720), (2148, 118660), (2685, 94928), (2792, 91290), (2864, 88995), (3043, 83760), (3490, 73032), (3580, 71196), (4080, 62471), (4188, 60860), (4296, 59330), (5235, 48688), (5370, 47464), (5584, 45645), (5933, 42960), (6086, 41880), (6980, 36516), (7160, 35598), (8376, 30430), (8592, 29665), (9129, 27920), (10470, 24344), (10740, 23732), (11866, 21480), (12172, 20940), (13960, 18258), (14320, 17799), (15215, 16752)]