251189280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:400

約数の個数: 288

約数和(自身を含む): 939714048

約数和(自身を除く): 688524768

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 31, 32, 34, 36, 40, 45, 48, 51, 60, 62, 68, 72, 80, 85, 90, 93, 96, 102, 120, 124, 136, 144, 153, 155, 160, 170, 180, 186, 204, 240, 248, 255, 272, 279, 288, 306, 310, 331, 340, 360, 372, 408, 465, 480, 496, 510, 527, 544, 558, 612, 620, 662, 680, 720, 744, 765, 816, 930, 992, 993, 1020, 1054, 1116, 1224, 1240, 1324, 1360, 1395, 1440, 1488, 1530, 1581, 1632, 1655, 1860, 1986, 2040, 2108, 2232, 2448, 2480, 2635, 2648, 2720, 2790, 2976, 2979, 3060, 3162, 3310, 3720, 3972, 4080, 4216, 4464, 4743, 4896, 4960, 4965, 5270, 5296, 5580, 5627, 5958, 6120, 6324, 6620, 7440, 7905, 7944, 8160, 8432, 8928, 9486, 9930, 10261, 10540, 10592, 11160, 11254, 11916, 12240, 12648, 13240, 14880, 14895, 15810, 15888, 16864, 16881, 18972, 19860, 20522, 21080, 22320, 22508, 23715, 23832, 24480, 25296, 26480, 28135, 29790, 30783, 31620, 31776, 33762, 37944, 39720, 41044, 42160, 44640, 45016, 47430, 47664, 50592, 50643, 51305, 52960, 56270, 59580, 61566, 63240, 67524, 75888, 79440, 82088, 84320, 84405, 90032, 92349, 94860, 95328, 101286, 102610, 112540, 119160, 123132, 126480, 135048, 151776, 153915, 158880, 164176, 168810, 174437, 180064, 184698, 189720, 202572, 205220, 225080, 238320, 246264, 252960, 253215, 270096, 307830, 328352, 337620, 348874, 369396, 379440, 405144, 410440, 450160, 461745, 476640, 492528, 506430, 523311, 540192, 615660, 675240, 697748, 738792, 758880, 810288, 820880, 872185, 900320, 923490, 985056, 1012860, 1046622, 1231320, 1350480, 1395496, 1477584, 1569933, 1620576, 1641760, 1744370, 1846980, 2025720, 2093244, 2462640, 2616555, 2700960, 2790992, 2955168, 3139866, 3488740, 3693960, 4051440, 4186488, 4925280, 5233110, 5581984, 6279732, 6977480, 7387920, 7849665, 8102880, 8372976, 10466220, 12559464, 13954960, 14775840, 15699330, 16745952, 20932440, 25118928, 27909920, 31398660, 41864880, 50237856, 62797320, 83729760, 125594640, 251189280]

約数ペア:

[(1, 251189280), (2, 125594640), (3, 83729760), (4, 62797320), (5, 50237856), (6, 41864880), (8, 31398660), (9, 27909920), (10, 25118928), (12, 20932440), (15, 16745952), (16, 15699330), (17, 14775840), (18, 13954960), (20, 12559464), (24, 10466220), (30, 8372976), (31, 8102880), (32, 7849665), (34, 7387920), (36, 6977480), (40, 6279732), (45, 5581984), (48, 5233110), (51, 4925280), (60, 4186488), (62, 4051440), (68, 3693960), (72, 3488740), (80, 3139866), (85, 2955168), (90, 2790992), (93, 2700960), (96, 2616555), (102, 2462640), (120, 2093244), (124, 2025720), (136, 1846980), (144, 1744370), (153, 1641760), (155, 1620576), (160, 1569933), (170, 1477584), (180, 1395496), (186, 1350480), (204, 1231320), (240, 1046622), (248, 1012860), (255, 985056), (272, 923490), (279, 900320), (288, 872185), (306, 820880), (310, 810288), (331, 758880), (340, 738792), (360, 697748), (372, 675240), (408, 615660), (465, 540192), (480, 523311), (496, 506430), (510, 492528), (527, 476640), (544, 461745), (558, 450160), (612, 410440), (620, 405144), (662, 379440), (680, 369396), (720, 348874), (744, 337620), (765, 328352), (816, 307830), (930, 270096), (992, 253215), (993, 252960), (1020, 246264), (1054, 238320), (1116, 225080), (1224, 205220), (1240, 202572), (1324, 189720), (1360, 184698), (1395, 180064), (1440, 174437), (1488, 168810), (1530, 164176), (1581, 158880), (1632, 153915), (1655, 151776), (1860, 135048), (1986, 126480), (2040, 123132), (2108, 119160), (2232, 112540), (2448, 102610), (2480, 101286), (2635, 95328), (2648, 94860), (2720, 92349), (2790, 90032), (2976, 84405), (2979, 84320), (3060, 82088), (3162, 79440), (3310, 75888), (3720, 67524), (3972, 63240), (4080, 61566), (4216, 59580), (4464, 56270), (4743, 52960), (4896, 51305), (4960, 50643), (4965, 50592), (5270, 47664), (5296, 47430), (5580, 45016), (5627, 44640), (5958, 42160), (6120, 41044), (6324, 39720), (6620, 37944), (7440, 33762), (7905, 31776), (7944, 31620), (8160, 30783), (8432, 29790), (8928, 28135), (9486, 26480), (9930, 25296), (10261, 24480), (10540, 23832), (10592, 23715), (11160, 22508), (11254, 22320), (11916, 21080), (12240, 20522), (12648, 19860), (13240, 18972), (14880, 16881), (14895, 16864), (15810, 15888)]