128056640

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:304

約数の個数: 112

約数和(自身を含む): 323039232

約数和(自身を除く): 194982592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 127, 137, 160, 184, 230, 254, 274, 320, 368, 460, 508, 548, 635, 685, 736, 920, 1016, 1096, 1270, 1370, 1472, 1840, 2032, 2192, 2540, 2740, 2921, 3151, 3680, 4064, 4384, 5080, 5480, 5842, 6302, 7360, 8128, 8768, 10160, 10960, 11684, 12604, 14605, 15755, 17399, 20320, 21920, 23368, 25208, 29210, 31510, 34798, 40640, 43840, 46736, 50416, 58420, 63020, 69596, 86995, 93472, 100832, 116840, 126040, 139192, 173990, 186944, 201664, 233680, 252080, 278384, 347980, 400177, 467360, 504160, 556768, 695960, 800354, 934720, 1008320, 1113536, 1391920, 1600708, 2000885, 2783840, 3201416, 4001770, 5567680, 6402832, 8003540, 12805664, 16007080, 25611328, 32014160, 64028320, 128056640]

約数ペア:

[(1, 128056640), (2, 64028320), (4, 32014160), (5, 25611328), (8, 16007080), (10, 12805664), (16, 8003540), (20, 6402832), (23, 5567680), (32, 4001770), (40, 3201416), (46, 2783840), (64, 2000885), (80, 1600708), (92, 1391920), (115, 1113536), (127, 1008320), (137, 934720), (160, 800354), (184, 695960), (230, 556768), (254, 504160), (274, 467360), (320, 400177), (368, 347980), (460, 278384), (508, 252080), (548, 233680), (635, 201664), (685, 186944), (736, 173990), (920, 139192), (1016, 126040), (1096, 116840), (1270, 100832), (1370, 93472), (1472, 86995), (1840, 69596), (2032, 63020), (2192, 58420), (2540, 50416), (2740, 46736), (2921, 43840), (3151, 40640), (3680, 34798), (4064, 31510), (4384, 29210), (5080, 25208), (5480, 23368), (5842, 21920), (6302, 20320), (7360, 17399), (8128, 15755), (8768, 14605), (10160, 12604), (10960, 11684)]