231987840

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1$

素因数の和:491

約数の個数: 256

約数和(自身を含む): 867767040

約数和(自身を除く): 635779200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 41, 42, 48, 56, 60, 64, 70, 80, 82, 84, 96, 105, 112, 120, 123, 128, 140, 160, 164, 168, 192, 205, 210, 224, 240, 246, 280, 287, 320, 328, 336, 384, 410, 420, 421, 448, 480, 492, 560, 574, 615, 640, 656, 672, 820, 840, 842, 861, 896, 960, 984, 1120, 1148, 1230, 1263, 1312, 1344, 1435, 1640, 1680, 1684, 1722, 1920, 1968, 2105, 2240, 2296, 2460, 2526, 2624, 2688, 2870, 2947, 3280, 3360, 3368, 3444, 3936, 4210, 4305, 4480, 4592, 4920, 5052, 5248, 5740, 5894, 6315, 6560, 6720, 6736, 6888, 7872, 8420, 8610, 8841, 9184, 9840, 10104, 11480, 11788, 12630, 13120, 13440, 13472, 13776, 14735, 15744, 16840, 17220, 17261, 17682, 18368, 19680, 20208, 22960, 23576, 25260, 26240, 26944, 27552, 29470, 33680, 34440, 34522, 35364, 36736, 39360, 40416, 44205, 45920, 47152, 50520, 51783, 53888, 55104, 58940, 67360, 68880, 69044, 70728, 78720, 80832, 86305, 88410, 91840, 94304, 101040, 103566, 110208, 117880, 120827, 134720, 137760, 138088, 141456, 161664, 172610, 176820, 183680, 188608, 202080, 207132, 235760, 241654, 258915, 269440, 275520, 276176, 282912, 345220, 353640, 362481, 377216, 404160, 414264, 471520, 483308, 517830, 551040, 552352, 565824, 604135, 690440, 707280, 724962, 808320, 828528, 943040, 966616, 1035660, 1104704, 1131648, 1208270, 1380880, 1414560, 1449924, 1657056, 1812405, 1886080, 1933232, 2071320, 2209408, 2416540, 2761760, 2829120, 2899848, 3314112, 3624810, 3866464, 4142640, 4833080, 5523520, 5658240, 5799696, 6628224, 7249620, 7732928, 8285280, 9666160, 11047040, 11599392, 14499240, 15465856, 16570560, 19332320, 23198784, 28998480, 33141120, 38664640, 46397568, 57996960, 77329280, 115993920, 231987840]

約数ペア:

[(1, 231987840), (2, 115993920), (3, 77329280), (4, 57996960), (5, 46397568), (6, 38664640), (7, 33141120), (8, 28998480), (10, 23198784), (12, 19332320), (14, 16570560), (15, 15465856), (16, 14499240), (20, 11599392), (21, 11047040), (24, 9666160), (28, 8285280), (30, 7732928), (32, 7249620), (35, 6628224), (40, 5799696), (41, 5658240), (42, 5523520), (48, 4833080), (56, 4142640), (60, 3866464), (64, 3624810), (70, 3314112), (80, 2899848), (82, 2829120), (84, 2761760), (96, 2416540), (105, 2209408), (112, 2071320), (120, 1933232), (123, 1886080), (128, 1812405), (140, 1657056), (160, 1449924), (164, 1414560), (168, 1380880), (192, 1208270), (205, 1131648), (210, 1104704), (224, 1035660), (240, 966616), (246, 943040), (280, 828528), (287, 808320), (320, 724962), (328, 707280), (336, 690440), (384, 604135), (410, 565824), (420, 552352), (421, 551040), (448, 517830), (480, 483308), (492, 471520), (560, 414264), (574, 404160), (615, 377216), (640, 362481), (656, 353640), (672, 345220), (820, 282912), (840, 276176), (842, 275520), (861, 269440), (896, 258915), (960, 241654), (984, 235760), (1120, 207132), (1148, 202080), (1230, 188608), (1263, 183680), (1312, 176820), (1344, 172610), (1435, 161664), (1640, 141456), (1680, 138088), (1684, 137760), (1722, 134720), (1920, 120827), (1968, 117880), (2105, 110208), (2240, 103566), (2296, 101040), (2460, 94304), (2526, 91840), (2624, 88410), (2688, 86305), (2870, 80832), (2947, 78720), (3280, 70728), (3360, 69044), (3368, 68880), (3444, 67360), (3936, 58940), (4210, 55104), (4305, 53888), (4480, 51783), (4592, 50520), (4920, 47152), (5052, 45920), (5248, 44205), (5740, 40416), (5894, 39360), (6315, 36736), (6560, 35364), (6720, 34522), (6736, 34440), (6888, 33680), (7872, 29470), (8420, 27552), (8610, 26944), (8841, 26240), (9184, 25260), (9840, 23576), (10104, 22960), (11480, 20208), (11788, 19680), (12630, 18368), (13120, 17682), (13440, 17261), (13472, 17220), (13776, 16840), (14735, 15744)]