1212620360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{337}}^1$

素因数の和:607

約数の個数: 128

約数和(自身を含む): 3188989440

約数和(自身を除く): 1976369080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 181, 280, 284, 337, 355, 362, 497, 568, 674, 710, 724, 905, 994, 1267, 1348, 1420, 1448, 1685, 1810, 1988, 2359, 2485, 2534, 2696, 2840, 3370, 3620, 3976, 4718, 4970, 5068, 6335, 6740, 7240, 9436, 9940, 10136, 11795, 12670, 12851, 13480, 18872, 19880, 23590, 23927, 25340, 25702, 47180, 47854, 50680, 51404, 60997, 64255, 89957, 94360, 95708, 102808, 119635, 121994, 128510, 167489, 179914, 191416, 239270, 243988, 257020, 304985, 334978, 359828, 426979, 449785, 478540, 487976, 514040, 609970, 669956, 719656, 837445, 853958, 899570, 957080, 1219940, 1339912, 1674890, 1707916, 1799140, 2134895, 2439880, 3349780, 3415832, 3598280, 4269790, 4330787, 6699560, 8539580, 8661574, 17079160, 17323148, 21653935, 30315509, 34646296, 43307870, 60631018, 86615740, 121262036, 151577545, 173231480, 242524072, 303155090, 606310180, 1212620360]

約数ペア:

[(1, 1212620360), (2, 606310180), (4, 303155090), (5, 242524072), (7, 173231480), (8, 151577545), (10, 121262036), (14, 86615740), (20, 60631018), (28, 43307870), (35, 34646296), (40, 30315509), (56, 21653935), (70, 17323148), (71, 17079160), (140, 8661574), (142, 8539580), (181, 6699560), (280, 4330787), (284, 4269790), (337, 3598280), (355, 3415832), (362, 3349780), (497, 2439880), (568, 2134895), (674, 1799140), (710, 1707916), (724, 1674890), (905, 1339912), (994, 1219940), (1267, 957080), (1348, 899570), (1420, 853958), (1448, 837445), (1685, 719656), (1810, 669956), (1988, 609970), (2359, 514040), (2485, 487976), (2534, 478540), (2696, 449785), (2840, 426979), (3370, 359828), (3620, 334978), (3976, 304985), (4718, 257020), (4970, 243988), (5068, 239270), (6335, 191416), (6740, 179914), (7240, 167489), (9436, 128510), (9940, 121994), (10136, 119635), (11795, 102808), (12670, 95708), (12851, 94360), (13480, 89957), (18872, 64255), (19880, 60997), (23590, 51404), (23927, 50680), (25340, 47854), (25702, 47180)]