82278840

素因数分解:

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

素因数の和:2034

約数の個数: 128

約数和(自身を含む): 288000000

約数和(自身を除く): 205721160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 343, 392, 420, 490, 588, 686, 735, 840, 980, 1029, 1176, 1372, 1470, 1715, 1960, 1999, 2058, 2744, 2940, 3430, 3998, 4116, 5145, 5880, 5997, 6860, 7996, 8232, 9995, 10290, 11994, 13720, 13993, 15992, 19990, 20580, 23988, 27986, 29985, 39980, 41160, 41979, 47976, 55972, 59970, 69965, 79960, 83958, 97951, 111944, 119940, 139930, 167916, 195902, 209895, 239880, 279860, 293853, 335832, 391804, 419790, 489755, 559720, 587706, 685657, 783608, 839580, 979510, 1175412, 1371314, 1469265, 1679160, 1959020, 2056971, 2350824, 2742628, 2938530, 3428285, 3918040, 4113942, 5485256, 5877060, 6856570, 8227884, 10284855, 11754120, 13713140, 16455768, 20569710, 27426280, 41139420, 82278840]

約数ペア:

[(1, 82278840), (2, 41139420), (3, 27426280), (4, 20569710), (5, 16455768), (6, 13713140), (7, 11754120), (8, 10284855), (10, 8227884), (12, 6856570), (14, 5877060), (15, 5485256), (20, 4113942), (21, 3918040), (24, 3428285), (28, 2938530), (30, 2742628), (35, 2350824), (40, 2056971), (42, 1959020), (49, 1679160), (56, 1469265), (60, 1371314), (70, 1175412), (84, 979510), (98, 839580), (105, 783608), (120, 685657), (140, 587706), (147, 559720), (168, 489755), (196, 419790), (210, 391804), (245, 335832), (280, 293853), (294, 279860), (343, 239880), (392, 209895), (420, 195902), (490, 167916), (588, 139930), (686, 119940), (735, 111944), (840, 97951), (980, 83958), (1029, 79960), (1176, 69965), (1372, 59970), (1470, 55972), (1715, 47976), (1960, 41979), (1999, 41160), (2058, 39980), (2744, 29985), (2940, 27986), (3430, 23988), (3998, 20580), (4116, 19990), (5145, 15992), (5880, 13993), (5997, 13720), (6860, 11994), (7996, 10290), (8232, 9995)]