123418260

素因数分解:

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

素因数の和:2035

約数の個数: 144

約数和(自身を含む): 436800000

約数和(自身を除く): 313381740

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 343, 420, 441, 490, 588, 630, 686, 735, 882, 980, 1029, 1260, 1372, 1470, 1715, 1764, 1999, 2058, 2205, 2940, 3087, 3430, 3998, 4116, 4410, 5145, 5997, 6174, 6860, 7996, 8820, 9995, 10290, 11994, 12348, 13993, 15435, 17991, 19990, 20580, 23988, 27986, 29985, 30870, 35982, 39980, 41979, 55972, 59970, 61740, 69965, 71964, 83958, 89955, 97951, 119940, 125937, 139930, 167916, 179910, 195902, 209895, 251874, 279860, 293853, 359820, 391804, 419790, 489755, 503748, 587706, 629685, 685657, 839580, 881559, 979510, 1175412, 1259370, 1371314, 1469265, 1763118, 1959020, 2056971, 2518740, 2742628, 2938530, 3428285, 3526236, 4113942, 4407795, 5877060, 6170913, 6856570, 8227884, 8815590, 10284855, 12341826, 13713140, 17631180, 20569710, 24683652, 30854565, 41139420, 61709130, 123418260]

約数ペア:

[(1, 123418260), (2, 61709130), (3, 41139420), (4, 30854565), (5, 24683652), (6, 20569710), (7, 17631180), (9, 13713140), (10, 12341826), (12, 10284855), (14, 8815590), (15, 8227884), (18, 6856570), (20, 6170913), (21, 5877060), (28, 4407795), (30, 4113942), (35, 3526236), (36, 3428285), (42, 2938530), (45, 2742628), (49, 2518740), (60, 2056971), (63, 1959020), (70, 1763118), (84, 1469265), (90, 1371314), (98, 1259370), (105, 1175412), (126, 979510), (140, 881559), (147, 839580), (180, 685657), (196, 629685), (210, 587706), (245, 503748), (252, 489755), (294, 419790), (315, 391804), (343, 359820), (420, 293853), (441, 279860), (490, 251874), (588, 209895), (630, 195902), (686, 179910), (735, 167916), (882, 139930), (980, 125937), (1029, 119940), (1260, 97951), (1372, 89955), (1470, 83958), (1715, 71964), (1764, 69965), (1999, 61740), (2058, 59970), (2205, 55972), (2940, 41979), (3087, 39980), (3430, 35982), (3998, 30870), (4116, 29985), (4410, 27986), (5145, 23988), (5997, 20580), (6174, 19990), (6860, 17991), (7996, 15435), (8820, 13993), (9995, 12348), (10290, 11994)]