215451210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{1669}}^1$

素因数の和:2023

約数の個数: 64

約数和(自身を含む): 558875520

約数和(自身を除く): 343424310

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 331, 390, 662, 993, 1655, 1669, 1986, 3310, 3338, 4303, 4965, 5007, 8345, 8606, 9930, 10014, 12909, 16690, 21515, 21697, 25035, 25818, 43030, 43394, 50070, 64545, 65091, 108485, 129090, 130182, 216970, 325455, 552439, 650910, 1104878, 1657317, 2762195, 3314634, 5524390, 7181707, 8286585, 14363414, 16573170, 21545121, 35908535, 43090242, 71817070, 107725605, 215451210]

約数ペア:

[(1, 215451210), (2, 107725605), (3, 71817070), (5, 43090242), (6, 35908535), (10, 21545121), (13, 16573170), (15, 14363414), (26, 8286585), (30, 7181707), (39, 5524390), (65, 3314634), (78, 2762195), (130, 1657317), (195, 1104878), (331, 650910), (390, 552439), (662, 325455), (993, 216970), (1655, 130182), (1669, 129090), (1986, 108485), (3310, 65091), (3338, 64545), (4303, 50070), (4965, 43394), (5007, 43030), (8345, 25818), (8606, 25035), (9930, 21697), (10014, 21515), (12909, 16690)]