221122720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15187}}^1$

素因数の和:15222

約数の個数: 96

約数和(自身を含む): 642999168

約数和(自身を除く): 421876448

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 364, 416, 455, 520, 560, 728, 910, 1040, 1120, 1456, 1820, 2080, 2912, 3640, 7280, 14560, 15187, 30374, 60748, 75935, 106309, 121496, 151870, 197431, 212618, 242992, 303740, 394862, 425236, 485984, 531545, 607480, 789724, 850472, 987155, 1063090, 1214960, 1382017, 1579448, 1700944, 1974310, 2126180, 2429920, 2764034, 3158896, 3401888, 3948620, 4252360, 5528068, 6317792, 6910085, 7897240, 8504720, 11056136, 13820170, 15794480, 17009440, 22112272, 27640340, 31588960, 44224544, 55280680, 110561360, 221122720]

約数ペア:

[(1, 221122720), (2, 110561360), (4, 55280680), (5, 44224544), (7, 31588960), (8, 27640340), (10, 22112272), (13, 17009440), (14, 15794480), (16, 13820170), (20, 11056136), (26, 8504720), (28, 7897240), (32, 6910085), (35, 6317792), (40, 5528068), (52, 4252360), (56, 3948620), (65, 3401888), (70, 3158896), (80, 2764034), (91, 2429920), (104, 2126180), (112, 1974310), (130, 1700944), (140, 1579448), (160, 1382017), (182, 1214960), (208, 1063090), (224, 987155), (260, 850472), (280, 789724), (364, 607480), (416, 531545), (455, 485984), (520, 425236), (560, 394862), (728, 303740), (910, 242992), (1040, 212618), (1120, 197431), (1456, 151870), (1820, 121496), (2080, 106309), (2912, 75935), (3640, 60748), (7280, 30374), (14560, 15187)]