1280450132

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1663}}^1$

素因数の和:1777

約数の個数: 72

約数和(自身を含む): 2609058816

約数和(自身を除く): 1328608684

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 67, 68, 134, 169, 221, 268, 338, 442, 676, 871, 884, 1139, 1663, 1742, 2278, 2873, 3326, 3484, 4556, 5746, 6652, 11323, 11492, 14807, 21619, 22646, 28271, 29614, 43238, 45292, 56542, 59228, 86476, 111421, 113084, 192491, 222842, 281047, 367523, 384982, 445684, 562094, 735046, 769964, 1124188, 1448473, 1470092, 1894157, 2896946, 3788314, 4777799, 5793892, 7576628, 9555598, 18830149, 19111196, 24624041, 37660298, 49248082, 75320596, 98496164, 320112533, 640225066, 1280450132]

約数ペア:

[(1, 1280450132), (2, 640225066), (4, 320112533), (13, 98496164), (17, 75320596), (26, 49248082), (34, 37660298), (52, 24624041), (67, 19111196), (68, 18830149), (134, 9555598), (169, 7576628), (221, 5793892), (268, 4777799), (338, 3788314), (442, 2896946), (676, 1894157), (871, 1470092), (884, 1448473), (1139, 1124188), (1663, 769964), (1742, 735046), (2278, 562094), (2873, 445684), (3326, 384982), (3484, 367523), (4556, 281047), (5746, 222842), (6652, 192491), (11323, 113084), (11492, 111421), (14807, 86476), (21619, 59228), (22646, 56542), (28271, 45292), (29614, 43238)]