247980160

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:510

約数の個数: 128

約数和(自身を含む): 634521600

約数和(自身を除く): 386541440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 32, 40, 58, 62, 64, 80, 116, 124, 128, 145, 155, 160, 232, 248, 290, 310, 320, 431, 464, 496, 580, 620, 640, 862, 899, 928, 992, 1160, 1240, 1724, 1798, 1856, 1984, 2155, 2320, 2480, 3448, 3596, 3712, 3968, 4310, 4495, 4640, 4960, 6896, 7192, 8620, 8990, 9280, 9920, 12499, 13361, 13792, 14384, 17240, 17980, 18560, 19840, 24998, 26722, 27584, 28768, 34480, 35960, 49996, 53444, 55168, 57536, 62495, 66805, 68960, 71920, 99992, 106888, 115072, 124990, 133610, 137920, 143840, 199984, 213776, 249980, 267220, 275840, 287680, 387469, 399968, 427552, 499960, 534440, 575360, 774938, 799936, 855104, 999920, 1068880, 1549876, 1599872, 1710208, 1937345, 1999840, 2137760, 3099752, 3874690, 3999680, 4275520, 6199504, 7749380, 7999360, 8551040, 12399008, 15498760, 24798016, 30997520, 49596032, 61995040, 123990080, 247980160]

約数ペア:

[(1, 247980160), (2, 123990080), (4, 61995040), (5, 49596032), (8, 30997520), (10, 24798016), (16, 15498760), (20, 12399008), (29, 8551040), (31, 7999360), (32, 7749380), (40, 6199504), (58, 4275520), (62, 3999680), (64, 3874690), (80, 3099752), (116, 2137760), (124, 1999840), (128, 1937345), (145, 1710208), (155, 1599872), (160, 1549876), (232, 1068880), (248, 999920), (290, 855104), (310, 799936), (320, 774938), (431, 575360), (464, 534440), (496, 499960), (580, 427552), (620, 399968), (640, 387469), (862, 287680), (899, 275840), (928, 267220), (992, 249980), (1160, 213776), (1240, 199984), (1724, 143840), (1798, 137920), (1856, 133610), (1984, 124990), (2155, 115072), (2320, 106888), (2480, 99992), (3448, 71920), (3596, 68960), (3712, 66805), (3968, 62495), (4310, 57536), (4495, 55168), (4640, 53444), (4960, 49996), (6896, 35960), (7192, 34480), (8620, 28768), (8990, 27584), (9280, 26722), (9920, 24998), (12499, 19840), (13361, 18560), (13792, 17980), (14384, 17240)]