90787247440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{279311}}^1$

素因数の和:279580

約数の個数: 80

約数和(自身を含む): 224432778240

約数和(自身を除く): 133645530800

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 239, 272, 340, 478, 680, 956, 1195, 1360, 1912, 2390, 3824, 4063, 4780, 8126, 9560, 16252, 19120, 20315, 32504, 40630, 65008, 81260, 162520, 279311, 325040, 558622, 1117244, 1396555, 2234488, 2793110, 4468976, 4748287, 5586220, 9496574, 11172440, 18993148, 22344880, 23741435, 37986296, 47482870, 66755329, 75972592, 94965740, 133510658, 189931480, 267021316, 333776645, 379862960, 534042632, 667553290, 1068085264, 1134840593, 1335106580, 2269681186, 2670213160, 4539362372, 5340426320, 5674202965, 9078724744, 11348405930, 18157449488, 22696811860, 45393623720, 90787247440]

約数ペア:

[(1, 90787247440), (2, 45393623720), (4, 22696811860), (5, 18157449488), (8, 11348405930), (10, 9078724744), (16, 5674202965), (17, 5340426320), (20, 4539362372), (34, 2670213160), (40, 2269681186), (68, 1335106580), (80, 1134840593), (85, 1068085264), (136, 667553290), (170, 534042632), (239, 379862960), (272, 333776645), (340, 267021316), (478, 189931480), (680, 133510658), (956, 94965740), (1195, 75972592), (1360, 66755329), (1912, 47482870), (2390, 37986296), (3824, 23741435), (4063, 22344880), (4780, 18993148), (8126, 11172440), (9560, 9496574), (16252, 5586220), (19120, 4748287), (20315, 4468976), (32504, 2793110), (40630, 2234488), (65008, 1396555), (81260, 1117244), (162520, 558622), (279311, 325040)]