720449392

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{3041}}^1$

素因数の和:3146

約数の個数: 80

約数和(自身を含む): 1615959072

約数和(自身を除く): 895509680

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 67, 68, 104, 134, 136, 208, 221, 268, 272, 442, 536, 871, 884, 1072, 1139, 1742, 1768, 2278, 3041, 3484, 3536, 4556, 6082, 6968, 9112, 12164, 13936, 14807, 18224, 24328, 29614, 39533, 48656, 51697, 59228, 79066, 103394, 118456, 158132, 203747, 206788, 236912, 316264, 407494, 413576, 632528, 672061, 814988, 827152, 1344122, 1629976, 2648711, 2688244, 3259952, 3463699, 5297422, 5376488, 6927398, 10594844, 10752976, 13854796, 21189688, 27709592, 42379376, 45028087, 55419184, 90056174, 180112348, 360224696, 720449392]

約数ペア:

[(1, 720449392), (2, 360224696), (4, 180112348), (8, 90056174), (13, 55419184), (16, 45028087), (17, 42379376), (26, 27709592), (34, 21189688), (52, 13854796), (67, 10752976), (68, 10594844), (104, 6927398), (134, 5376488), (136, 5297422), (208, 3463699), (221, 3259952), (268, 2688244), (272, 2648711), (442, 1629976), (536, 1344122), (871, 827152), (884, 814988), (1072, 672061), (1139, 632528), (1742, 413576), (1768, 407494), (2278, 316264), (3041, 236912), (3484, 206788), (3536, 203747), (4556, 158132), (6082, 118456), (6968, 103394), (9112, 79066), (12164, 59228), (13936, 51697), (14807, 48656), (18224, 39533), (24328, 29614)]