1279119680

素因数分解:

$2^6\times 5^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1\times {\mathrm{179}}^1$

素因数の和:496

約数の個数: 112

約数和(自身を含む): 3104205120

約数和(自身を除く): 1825085440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 137, 160, 163, 179, 274, 320, 326, 358, 548, 652, 685, 716, 815, 895, 1096, 1304, 1370, 1432, 1630, 1790, 2192, 2608, 2740, 2864, 3260, 3580, 4384, 5216, 5480, 5728, 6520, 7160, 8768, 10432, 10960, 11456, 13040, 14320, 21920, 22331, 24523, 26080, 28640, 29177, 43840, 44662, 49046, 52160, 57280, 58354, 89324, 98092, 111655, 116708, 122615, 145885, 178648, 196184, 223310, 233416, 245230, 291770, 357296, 392368, 446620, 466832, 490460, 583540, 714592, 784736, 893240, 933664, 980920, 1167080, 1429184, 1569472, 1786480, 1867328, 1961840, 2334160, 3572960, 3923680, 3997249, 4668320, 7145920, 7847360, 7994498, 9336640, 15988996, 19986245, 31977992, 39972490, 63955984, 79944980, 127911968, 159889960, 255823936, 319779920, 639559840, 1279119680]

約数ペア:

[(1, 1279119680), (2, 639559840), (4, 319779920), (5, 255823936), (8, 159889960), (10, 127911968), (16, 79944980), (20, 63955984), (32, 39972490), (40, 31977992), (64, 19986245), (80, 15988996), (137, 9336640), (160, 7994498), (163, 7847360), (179, 7145920), (274, 4668320), (320, 3997249), (326, 3923680), (358, 3572960), (548, 2334160), (652, 1961840), (685, 1867328), (716, 1786480), (815, 1569472), (895, 1429184), (1096, 1167080), (1304, 980920), (1370, 933664), (1432, 893240), (1630, 784736), (1790, 714592), (2192, 583540), (2608, 490460), (2740, 466832), (2864, 446620), (3260, 392368), (3580, 357296), (4384, 291770), (5216, 245230), (5480, 233416), (5728, 223310), (6520, 196184), (7160, 178648), (8768, 145885), (10432, 122615), (10960, 116708), (11456, 111655), (13040, 98092), (14320, 89324), (21920, 58354), (22331, 57280), (24523, 52160), (26080, 49046), (28640, 44662), (29177, 43840)]