212510040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{991}}^1\times {\mathrm{1787}}^1$

素因数の和:2792

約数の個数: 64

約数和(自身を含む): 638530560

約数和(自身を除く): 426020520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 991, 1787, 1982, 2973, 3574, 3964, 4955, 5361, 5946, 7148, 7928, 8935, 9910, 10722, 11892, 14296, 14865, 17870, 19820, 21444, 23784, 26805, 29730, 35740, 39640, 42888, 53610, 59460, 71480, 107220, 118920, 214440, 1770917, 3541834, 5312751, 7083668, 8854585, 10625502, 14167336, 17709170, 21251004, 26563755, 35418340, 42502008, 53127510, 70836680, 106255020, 212510040]

約数ペア:

[(1, 212510040), (2, 106255020), (3, 70836680), (4, 53127510), (5, 42502008), (6, 35418340), (8, 26563755), (10, 21251004), (12, 17709170), (15, 14167336), (20, 10625502), (24, 8854585), (30, 7083668), (40, 5312751), (60, 3541834), (120, 1770917), (991, 214440), (1787, 118920), (1982, 107220), (2973, 71480), (3574, 59460), (3964, 53610), (4955, 42888), (5361, 39640), (5946, 35740), (7148, 29730), (7928, 26805), (8935, 23784), (9910, 21444), (10722, 19820), (11892, 17870), (14296, 14865)]