268471980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{499}}^1$

素因数の和:589

約数の個数: 216

約数和(自身を含む): 964782000

約数和(自身を除く): 696310020

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 61, 63, 70, 84, 90, 98, 105, 122, 126, 140, 147, 180, 183, 196, 210, 244, 245, 252, 294, 305, 315, 366, 420, 427, 441, 490, 499, 549, 588, 610, 630, 732, 735, 854, 882, 915, 980, 998, 1098, 1220, 1260, 1281, 1470, 1497, 1708, 1764, 1830, 1996, 2135, 2196, 2205, 2495, 2562, 2745, 2940, 2989, 2994, 3493, 3660, 3843, 4270, 4410, 4491, 4990, 5124, 5490, 5978, 5988, 6405, 6986, 7485, 7686, 8540, 8820, 8967, 8982, 9980, 10479, 10980, 11956, 12810, 13972, 14945, 14970, 15372, 17465, 17934, 17964, 19215, 20958, 22455, 24451, 25620, 26901, 29890, 29940, 30439, 31437, 34930, 35868, 38430, 41916, 44835, 44910, 48902, 52395, 53802, 59780, 60878, 62874, 69860, 73353, 76860, 89670, 89820, 91317, 97804, 104790, 107604, 121756, 122255, 125748, 134505, 146706, 152195, 157185, 179340, 182634, 209580, 213073, 220059, 244510, 269010, 273951, 293412, 304390, 314370, 365268, 366765, 426146, 440118, 456585, 489020, 538020, 547902, 608780, 628740, 639219, 733530, 852292, 880236, 913170, 1065365, 1095804, 1100295, 1278438, 1369755, 1467060, 1491511, 1826340, 1917657, 2130730, 2200590, 2556876, 2739510, 2983022, 3196095, 3835314, 4261460, 4401180, 4474533, 5479020, 5966044, 6392190, 7457555, 7670628, 8949066, 9588285, 12784380, 13423599, 14915110, 17898132, 19176570, 22372665, 26847198, 29830220, 38353140, 44745330, 53694396, 67117995, 89490660, 134235990, 268471980]

約数ペア:

[(1, 268471980), (2, 134235990), (3, 89490660), (4, 67117995), (5, 53694396), (6, 44745330), (7, 38353140), (9, 29830220), (10, 26847198), (12, 22372665), (14, 19176570), (15, 17898132), (18, 14915110), (20, 13423599), (21, 12784380), (28, 9588285), (30, 8949066), (35, 7670628), (36, 7457555), (42, 6392190), (45, 5966044), (49, 5479020), (60, 4474533), (61, 4401180), (63, 4261460), (70, 3835314), (84, 3196095), (90, 2983022), (98, 2739510), (105, 2556876), (122, 2200590), (126, 2130730), (140, 1917657), (147, 1826340), (180, 1491511), (183, 1467060), (196, 1369755), (210, 1278438), (244, 1100295), (245, 1095804), (252, 1065365), (294, 913170), (305, 880236), (315, 852292), (366, 733530), (420, 639219), (427, 628740), (441, 608780), (490, 547902), (499, 538020), (549, 489020), (588, 456585), (610, 440118), (630, 426146), (732, 366765), (735, 365268), (854, 314370), (882, 304390), (915, 293412), (980, 273951), (998, 269010), (1098, 244510), (1220, 220059), (1260, 213073), (1281, 209580), (1470, 182634), (1497, 179340), (1708, 157185), (1764, 152195), (1830, 146706), (1996, 134505), (2135, 125748), (2196, 122255), (2205, 121756), (2495, 107604), (2562, 104790), (2745, 97804), (2940, 91317), (2989, 89820), (2994, 89670), (3493, 76860), (3660, 73353), (3843, 69860), (4270, 62874), (4410, 60878), (4491, 59780), (4990, 53802), (5124, 52395), (5490, 48902), (5978, 44910), (5988, 44835), (6405, 41916), (6986, 38430), (7485, 35868), (7686, 34930), (8540, 31437), (8820, 30439), (8967, 29940), (8982, 29890), (9980, 26901), (10479, 25620), (10980, 24451), (11956, 22455), (12810, 20958), (13972, 19215), (14945, 17964), (14970, 17934), (15372, 17465)]