1200391840

素因数分解:

$2^5\times 5^1\times {\mathrm{239}}^1\times {\mathrm{31391}}^1$

素因数の和:31645

約数の個数: 48

約数和(自身を含む): 2847882240

約数和(自身を除く): 1647490400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 239, 478, 956, 1195, 1912, 2390, 3824, 4780, 7648, 9560, 19120, 31391, 38240, 62782, 125564, 156955, 251128, 313910, 502256, 627820, 1004512, 1255640, 2511280, 5022560, 7502449, 15004898, 30009796, 37512245, 60019592, 75024490, 120039184, 150048980, 240078368, 300097960, 600195920, 1200391840]

約数ペア:

[(1, 1200391840), (2, 600195920), (4, 300097960), (5, 240078368), (8, 150048980), (10, 120039184), (16, 75024490), (20, 60019592), (32, 37512245), (40, 30009796), (80, 15004898), (160, 7502449), (239, 5022560), (478, 2511280), (956, 1255640), (1195, 1004512), (1912, 627820), (2390, 502256), (3824, 313910), (4780, 251128), (7648, 156955), (9560, 125564), (19120, 62782), (31391, 38240)]