678132375

素因数分解:

$3^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{491}}^1$

素因数の和:665

約数の個数: 64

約数和(自身を含む): 1178910720

約数和(自身を除く): 500778345

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 125, 127, 145, 375, 381, 435, 491, 635, 725, 1473, 1905, 2175, 2455, 3175, 3625, 3683, 7365, 9525, 10875, 11049, 12275, 14239, 15875, 18415, 36825, 42717, 47625, 55245, 61375, 62357, 71195, 92075, 184125, 187071, 213585, 276225, 311785, 355975, 460375, 935355, 1067925, 1381125, 1558925, 1779875, 1808353, 4676775, 5339625, 5425059, 7794625, 9041765, 23383875, 27125295, 45208825, 135626475, 226044125, 678132375]

約数ペア:

[(1, 678132375), (3, 226044125), (5, 135626475), (15, 45208825), (25, 27125295), (29, 23383875), (75, 9041765), (87, 7794625), (125, 5425059), (127, 5339625), (145, 4676775), (375, 1808353), (381, 1779875), (435, 1558925), (491, 1381125), (635, 1067925), (725, 935355), (1473, 460375), (1905, 355975), (2175, 311785), (2455, 276225), (3175, 213585), (3625, 187071), (3683, 184125), (7365, 92075), (9525, 71195), (10875, 62357), (11049, 61375), (12275, 55245), (14239, 47625), (15875, 42717), (18415, 36825)]