490314720

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1999}}^1$

素因数の和:2097

約数の個数: 192

約数和(自身を含む): 1790208000

約数和(自身を除く): 1299893280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 73, 80, 84, 96, 105, 112, 120, 140, 146, 160, 168, 210, 219, 224, 240, 280, 292, 336, 365, 420, 438, 480, 511, 560, 584, 672, 730, 840, 876, 1022, 1095, 1120, 1168, 1460, 1533, 1680, 1752, 1999, 2044, 2190, 2336, 2555, 2920, 3066, 3360, 3504, 3998, 4088, 4380, 5110, 5840, 5997, 6132, 7008, 7665, 7996, 8176, 8760, 9995, 10220, 11680, 11994, 12264, 13993, 15330, 15992, 16352, 17520, 19990, 20440, 23988, 24528, 27986, 29985, 30660, 31984, 35040, 39980, 40880, 41979, 47976, 49056, 55972, 59970, 61320, 63968, 69965, 79960, 81760, 83958, 95952, 111944, 119940, 122640, 139930, 145927, 159920, 167916, 191904, 209895, 223888, 239880, 245280, 279860, 291854, 319840, 335832, 419790, 437781, 447776, 479760, 559720, 583708, 671664, 729635, 839580, 875562, 959520, 1021489, 1119440, 1167416, 1343328, 1459270, 1679160, 1751124, 2042978, 2188905, 2238880, 2334832, 2918540, 3064467, 3358320, 3502248, 4085956, 4377810, 4669664, 5107445, 5837080, 6128934, 6716640, 7004496, 8171912, 8755620, 10214890, 11674160, 12257868, 14008992, 15322335, 16343824, 17511240, 20429780, 23348320, 24515736, 30644670, 32687648, 35022480, 40859560, 49031472, 61289340, 70044960, 81719120, 98062944, 122578680, 163438240, 245157360, 490314720]

約数ペア:

[(1, 490314720), (2, 245157360), (3, 163438240), (4, 122578680), (5, 98062944), (6, 81719120), (7, 70044960), (8, 61289340), (10, 49031472), (12, 40859560), (14, 35022480), (15, 32687648), (16, 30644670), (20, 24515736), (21, 23348320), (24, 20429780), (28, 17511240), (30, 16343824), (32, 15322335), (35, 14008992), (40, 12257868), (42, 11674160), (48, 10214890), (56, 8755620), (60, 8171912), (70, 7004496), (73, 6716640), (80, 6128934), (84, 5837080), (96, 5107445), (105, 4669664), (112, 4377810), (120, 4085956), (140, 3502248), (146, 3358320), (160, 3064467), (168, 2918540), (210, 2334832), (219, 2238880), (224, 2188905), (240, 2042978), (280, 1751124), (292, 1679160), (336, 1459270), (365, 1343328), (420, 1167416), (438, 1119440), (480, 1021489), (511, 959520), (560, 875562), (584, 839580), (672, 729635), (730, 671664), (840, 583708), (876, 559720), (1022, 479760), (1095, 447776), (1120, 437781), (1168, 419790), (1460, 335832), (1533, 319840), (1680, 291854), (1752, 279860), (1999, 245280), (2044, 239880), (2190, 223888), (2336, 209895), (2555, 191904), (2920, 167916), (3066, 159920), (3360, 145927), (3504, 139930), (3998, 122640), (4088, 119940), (4380, 111944), (5110, 95952), (5840, 83958), (5997, 81760), (6132, 79960), (7008, 69965), (7665, 63968), (7996, 61320), (8176, 59970), (8760, 55972), (9995, 49056), (10220, 47976), (11680, 41979), (11994, 40880), (12264, 39980), (13993, 35040), (15330, 31984), (15992, 30660), (16352, 29985), (17520, 27986), (19990, 24528), (20440, 23988)]