242511780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{82487}}^1$

素因数の和:82513

約数の個数: 72

約数和(自身を含む): 789905088

約数和(自身を除く): 547393308

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 82487, 164974, 247461, 329948, 412435, 494922, 577409, 824870, 989844, 1154818, 1237305, 1649740, 1732227, 2309636, 2474610, 2887045, 3464454, 4041863, 4949220, 5774090, 6928908, 8083726, 8661135, 11548180, 12125589, 16167452, 17322270, 20209315, 24251178, 34644540, 40418630, 48502356, 60627945, 80837260, 121255890, 242511780]

約数ペア:

[(1, 242511780), (2, 121255890), (3, 80837260), (4, 60627945), (5, 48502356), (6, 40418630), (7, 34644540), (10, 24251178), (12, 20209315), (14, 17322270), (15, 16167452), (20, 12125589), (21, 11548180), (28, 8661135), (30, 8083726), (35, 6928908), (42, 5774090), (49, 4949220), (60, 4041863), (70, 3464454), (84, 2887045), (98, 2474610), (105, 2309636), (140, 1732227), (147, 1649740), (196, 1237305), (210, 1154818), (245, 989844), (294, 824870), (420, 577409), (490, 494922), (588, 412435), (735, 329948), (980, 247461), (1470, 164974), (2940, 82487)]