251984320

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:187

約数の個数: 224

約数和(自身を含む): 736201728

約数和(自身を除く): 484217408

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 67, 70, 73, 80, 92, 112, 115, 134, 140, 146, 160, 161, 184, 224, 230, 268, 280, 292, 320, 322, 335, 365, 368, 448, 460, 469, 511, 536, 560, 584, 644, 670, 730, 736, 805, 920, 938, 1022, 1072, 1120, 1168, 1288, 1340, 1460, 1472, 1541, 1610, 1679, 1840, 1876, 2044, 2144, 2240, 2336, 2345, 2555, 2576, 2680, 2920, 3082, 3220, 3358, 3680, 3752, 4088, 4288, 4672, 4690, 4891, 5110, 5152, 5360, 5840, 6164, 6440, 6716, 7360, 7504, 7705, 8176, 8395, 9380, 9782, 10220, 10304, 10720, 10787, 11680, 11753, 12328, 12880, 13432, 15008, 15410, 16352, 16790, 18760, 19564, 20440, 21440, 21574, 23360, 23506, 24455, 24656, 25760, 26864, 30016, 30820, 32704, 33580, 34237, 37520, 39128, 40880, 43148, 47012, 48910, 49312, 51520, 53728, 53935, 58765, 61640, 67160, 68474, 75040, 78256, 81760, 86296, 94024, 97820, 98624, 107456, 107870, 112493, 117530, 123280, 134320, 136948, 150080, 156512, 163520, 171185, 172592, 188048, 195640, 215740, 224986, 235060, 246560, 268640, 273896, 313024, 342370, 345184, 376096, 391280, 431480, 449972, 470120, 493120, 537280, 547792, 562465, 684740, 690368, 752192, 782560, 787451, 862960, 899944, 940240, 1095584, 1124930, 1369480, 1565120, 1574902, 1725920, 1799888, 1880480, 2191168, 2249860, 2738960, 3149804, 3451840, 3599776, 3760960, 3937255, 4499720, 5477920, 6299608, 7199552, 7874510, 8999440, 10955840, 12599216, 15749020, 17998880, 25198432, 31498040, 35997760, 50396864, 62996080, 125992160, 251984320]

約数ペア:

[(1, 251984320), (2, 125992160), (4, 62996080), (5, 50396864), (7, 35997760), (8, 31498040), (10, 25198432), (14, 17998880), (16, 15749020), (20, 12599216), (23, 10955840), (28, 8999440), (32, 7874510), (35, 7199552), (40, 6299608), (46, 5477920), (56, 4499720), (64, 3937255), (67, 3760960), (70, 3599776), (73, 3451840), (80, 3149804), (92, 2738960), (112, 2249860), (115, 2191168), (134, 1880480), (140, 1799888), (146, 1725920), (160, 1574902), (161, 1565120), (184, 1369480), (224, 1124930), (230, 1095584), (268, 940240), (280, 899944), (292, 862960), (320, 787451), (322, 782560), (335, 752192), (365, 690368), (368, 684740), (448, 562465), (460, 547792), (469, 537280), (511, 493120), (536, 470120), (560, 449972), (584, 431480), (644, 391280), (670, 376096), (730, 345184), (736, 342370), (805, 313024), (920, 273896), (938, 268640), (1022, 246560), (1072, 235060), (1120, 224986), (1168, 215740), (1288, 195640), (1340, 188048), (1460, 172592), (1472, 171185), (1541, 163520), (1610, 156512), (1679, 150080), (1840, 136948), (1876, 134320), (2044, 123280), (2144, 117530), (2240, 112493), (2336, 107870), (2345, 107456), (2555, 98624), (2576, 97820), (2680, 94024), (2920, 86296), (3082, 81760), (3220, 78256), (3358, 75040), (3680, 68474), (3752, 67160), (4088, 61640), (4288, 58765), (4672, 53935), (4690, 53728), (4891, 51520), (5110, 49312), (5152, 48910), (5360, 47012), (5840, 43148), (6164, 40880), (6440, 39128), (6716, 37520), (7360, 34237), (7504, 33580), (7705, 32704), (8176, 30820), (8395, 30016), (9380, 26864), (9782, 25760), (10220, 24656), (10304, 24455), (10720, 23506), (10787, 23360), (11680, 21574), (11753, 21440), (12328, 20440), (12880, 19564), (13432, 18760), (15008, 16790), (15410, 16352)]