401807520

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{331}}^1$

素因数の和:636

約数の個数: 192

約数和(自身を含む): 1415594880

約数和(自身を除く): 1013787360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 270, 281, 288, 331, 360, 432, 480, 540, 562, 662, 720, 843, 864, 993, 1080, 1124, 1324, 1405, 1440, 1655, 1686, 1986, 2160, 2248, 2529, 2648, 2810, 2979, 3310, 3372, 3972, 4215, 4320, 4496, 4965, 5058, 5296, 5620, 5958, 6620, 6744, 7587, 7944, 8430, 8937, 8992, 9930, 10116, 10592, 11240, 11916, 12645, 13240, 13488, 14895, 15174, 15888, 16860, 17874, 19860, 20232, 22480, 23832, 25290, 26480, 26976, 29790, 30348, 31776, 33720, 35748, 37935, 39720, 40464, 44685, 44960, 47664, 50580, 52960, 59580, 60696, 67440, 71496, 75870, 79440, 80928, 89370, 93011, 95328, 101160, 119160, 121392, 134880, 142992, 151740, 158880, 178740, 186022, 202320, 238320, 242784, 279033, 285984, 303480, 357480, 372044, 404640, 465055, 476640, 558066, 606960, 714960, 744088, 837099, 930110, 1116132, 1213920, 1395165, 1429920, 1488176, 1674198, 1860220, 2232264, 2511297, 2790330, 2976352, 3348396, 3720440, 4185495, 4464528, 5022594, 5580660, 6696792, 7440880, 8370990, 8929056, 10045188, 11161320, 12556485, 13393584, 14881760, 16741980, 20090376, 22322640, 25112970, 26787168, 33483960, 40180752, 44645280, 50225940, 66967920, 80361504, 100451880, 133935840, 200903760, 401807520]

約数ペア:

[(1, 401807520), (2, 200903760), (3, 133935840), (4, 100451880), (5, 80361504), (6, 66967920), (8, 50225940), (9, 44645280), (10, 40180752), (12, 33483960), (15, 26787168), (16, 25112970), (18, 22322640), (20, 20090376), (24, 16741980), (27, 14881760), (30, 13393584), (32, 12556485), (36, 11161320), (40, 10045188), (45, 8929056), (48, 8370990), (54, 7440880), (60, 6696792), (72, 5580660), (80, 5022594), (90, 4464528), (96, 4185495), (108, 3720440), (120, 3348396), (135, 2976352), (144, 2790330), (160, 2511297), (180, 2232264), (216, 1860220), (240, 1674198), (270, 1488176), (281, 1429920), (288, 1395165), (331, 1213920), (360, 1116132), (432, 930110), (480, 837099), (540, 744088), (562, 714960), (662, 606960), (720, 558066), (843, 476640), (864, 465055), (993, 404640), (1080, 372044), (1124, 357480), (1324, 303480), (1405, 285984), (1440, 279033), (1655, 242784), (1686, 238320), (1986, 202320), (2160, 186022), (2248, 178740), (2529, 158880), (2648, 151740), (2810, 142992), (2979, 134880), (3310, 121392), (3372, 119160), (3972, 101160), (4215, 95328), (4320, 93011), (4496, 89370), (4965, 80928), (5058, 79440), (5296, 75870), (5620, 71496), (5958, 67440), (6620, 60696), (6744, 59580), (7587, 52960), (7944, 50580), (8430, 47664), (8937, 44960), (8992, 44685), (9930, 40464), (10116, 39720), (10592, 37935), (11240, 35748), (11916, 33720), (12645, 31776), (13240, 30348), (13488, 29790), (14895, 26976), (15174, 26480), (15888, 25290), (16860, 23832), (17874, 22480), (19860, 20232)]