515502120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{1999}}^1$

素因数の和:2327

約数の個数: 128

約数和(自身を含む): 1774080000

約数和(自身を除く): 1258577880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 307, 420, 614, 840, 921, 1228, 1535, 1842, 1999, 2149, 2456, 3070, 3684, 3998, 4298, 4605, 5997, 6140, 6447, 7368, 7996, 8596, 9210, 9995, 10745, 11994, 12280, 12894, 13993, 15992, 17192, 18420, 19990, 21490, 23988, 25788, 27986, 29985, 32235, 36840, 39980, 41979, 42980, 47976, 51576, 55972, 59970, 64470, 69965, 79960, 83958, 85960, 111944, 119940, 128940, 139930, 167916, 209895, 239880, 257880, 279860, 335832, 419790, 559720, 613693, 839580, 1227386, 1679160, 1841079, 2454772, 3068465, 3682158, 4295851, 4909544, 6136930, 7364316, 8591702, 9205395, 12273860, 12887553, 14728632, 17183404, 18410790, 21479255, 24547720, 25775106, 34366808, 36821580, 42958510, 51550212, 64437765, 73643160, 85917020, 103100424, 128875530, 171834040, 257751060, 515502120]

約数ペア:

[(1, 515502120), (2, 257751060), (3, 171834040), (4, 128875530), (5, 103100424), (6, 85917020), (7, 73643160), (8, 64437765), (10, 51550212), (12, 42958510), (14, 36821580), (15, 34366808), (20, 25775106), (21, 24547720), (24, 21479255), (28, 18410790), (30, 17183404), (35, 14728632), (40, 12887553), (42, 12273860), (56, 9205395), (60, 8591702), (70, 7364316), (84, 6136930), (105, 4909544), (120, 4295851), (140, 3682158), (168, 3068465), (210, 2454772), (280, 1841079), (307, 1679160), (420, 1227386), (614, 839580), (840, 613693), (921, 559720), (1228, 419790), (1535, 335832), (1842, 279860), (1999, 257880), (2149, 239880), (2456, 209895), (3070, 167916), (3684, 139930), (3998, 128940), (4298, 119940), (4605, 111944), (5997, 85960), (6140, 83958), (6447, 79960), (7368, 69965), (7996, 64470), (8596, 59970), (9210, 55972), (9995, 51576), (10745, 47976), (11994, 42980), (12280, 41979), (12894, 39980), (13993, 36840), (15992, 32235), (17192, 29985), (18420, 27986), (19990, 25788), (21490, 23988)]