128215671568

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{307}}^1\times {\mathrm{433}}^1\times {\mathrm{2621}}^1$

素因数の和:3392

約数の個数: 80

約数和(自身を含む): 260763060096

約数和(自身を除く): 132547388528

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 307, 368, 433, 614, 866, 1228, 1732, 2456, 2621, 3464, 4912, 5242, 6928, 7061, 9959, 10484, 14122, 19918, 20968, 28244, 39836, 41936, 56488, 60283, 79672, 112976, 120566, 132931, 159344, 241132, 265862, 482264, 531724, 804647, 964528, 1063448, 1134893, 1609294, 2126896, 2269786, 3057413, 3218588, 4539572, 6114826, 6437176, 9079144, 12229652, 12874352, 18158288, 18506881, 24459304, 26102539, 37013762, 48918608, 52205078, 74027524, 104410156, 148055048, 208820312, 296110096, 348412151, 417640624, 696824302, 1393648604, 2787297208, 5574594416, 8013479473, 16026958946, 32053917892, 64107835784, 128215671568]

約数ペア:

[(1, 128215671568), (2, 64107835784), (4, 32053917892), (8, 16026958946), (16, 8013479473), (23, 5574594416), (46, 2787297208), (92, 1393648604), (184, 696824302), (307, 417640624), (368, 348412151), (433, 296110096), (614, 208820312), (866, 148055048), (1228, 104410156), (1732, 74027524), (2456, 52205078), (2621, 48918608), (3464, 37013762), (4912, 26102539), (5242, 24459304), (6928, 18506881), (7061, 18158288), (9959, 12874352), (10484, 12229652), (14122, 9079144), (19918, 6437176), (20968, 6114826), (28244, 4539572), (39836, 3218588), (41936, 3057413), (56488, 2269786), (60283, 2126896), (79672, 1609294), (112976, 1134893), (120566, 1063448), (132931, 964528), (159344, 804647), (241132, 531724), (265862, 482264)]