254557560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{619}}^1$

素因数の和:805

約数の個数: 128

約数和(自身を含む): 803520000

約数和(自身を除く): 548962440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 149, 184, 230, 276, 298, 345, 447, 460, 552, 596, 619, 690, 745, 894, 920, 1192, 1238, 1380, 1490, 1788, 1857, 2235, 2476, 2760, 2980, 3095, 3427, 3576, 3714, 4470, 4952, 5960, 6190, 6854, 7428, 8940, 9285, 10281, 12380, 13708, 14237, 14856, 17135, 17880, 18570, 20562, 24760, 27416, 28474, 34270, 37140, 41124, 42711, 51405, 56948, 68540, 71185, 74280, 82248, 85422, 92231, 102810, 113896, 137080, 142370, 170844, 184462, 205620, 213555, 276693, 284740, 341688, 368924, 411240, 427110, 461155, 553386, 569480, 737848, 854220, 922310, 1106772, 1383465, 1708440, 1844620, 2121313, 2213544, 2766930, 3689240, 4242626, 5533860, 6363939, 8485252, 10606565, 11067720, 12727878, 16970504, 21213130, 25455756, 31819695, 42426260, 50911512, 63639390, 84852520, 127278780, 254557560]

約数ペア:

[(1, 254557560), (2, 127278780), (3, 84852520), (4, 63639390), (5, 50911512), (6, 42426260), (8, 31819695), (10, 25455756), (12, 21213130), (15, 16970504), (20, 12727878), (23, 11067720), (24, 10606565), (30, 8485252), (40, 6363939), (46, 5533860), (60, 4242626), (69, 3689240), (92, 2766930), (115, 2213544), (120, 2121313), (138, 1844620), (149, 1708440), (184, 1383465), (230, 1106772), (276, 922310), (298, 854220), (345, 737848), (447, 569480), (460, 553386), (552, 461155), (596, 427110), (619, 411240), (690, 368924), (745, 341688), (894, 284740), (920, 276693), (1192, 213555), (1238, 205620), (1380, 184462), (1490, 170844), (1788, 142370), (1857, 137080), (2235, 113896), (2476, 102810), (2760, 92231), (2980, 85422), (3095, 82248), (3427, 74280), (3576, 71185), (3714, 68540), (4470, 56948), (4952, 51405), (5960, 42711), (6190, 41124), (6854, 37140), (7428, 34270), (8940, 28474), (9285, 27416), (10281, 24760), (12380, 20562), (13708, 18570), (14237, 17880), (14856, 17135)]