47440720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{59}}^1$

素因数の和:137

約数の個数: 120

約数和(自身を含む): 123429600

約数和(自身を除く): 75988880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 38, 40, 46, 59, 76, 80, 92, 95, 115, 118, 152, 184, 190, 230, 236, 295, 304, 368, 380, 437, 460, 472, 529, 590, 760, 874, 920, 944, 1058, 1121, 1180, 1357, 1520, 1748, 1840, 2116, 2185, 2242, 2360, 2645, 2714, 3496, 4232, 4370, 4484, 4720, 5290, 5428, 5605, 6785, 6992, 8464, 8740, 8968, 10051, 10580, 10856, 11210, 13570, 17480, 17936, 20102, 21160, 21712, 22420, 25783, 27140, 31211, 34960, 40204, 42320, 44840, 50255, 51566, 54280, 62422, 80408, 89680, 100510, 103132, 108560, 124844, 128915, 156055, 160816, 201020, 206264, 249688, 257830, 312110, 402040, 412528, 499376, 515660, 593009, 624220, 804080, 1031320, 1186018, 1248440, 2062640, 2372036, 2496880, 2965045, 4744072, 5930090, 9488144, 11860180, 23720360, 47440720]

約数ペア:

[(1, 47440720), (2, 23720360), (4, 11860180), (5, 9488144), (8, 5930090), (10, 4744072), (16, 2965045), (19, 2496880), (20, 2372036), (23, 2062640), (38, 1248440), (40, 1186018), (46, 1031320), (59, 804080), (76, 624220), (80, 593009), (92, 515660), (95, 499376), (115, 412528), (118, 402040), (152, 312110), (184, 257830), (190, 249688), (230, 206264), (236, 201020), (295, 160816), (304, 156055), (368, 128915), (380, 124844), (437, 108560), (460, 103132), (472, 100510), (529, 89680), (590, 80408), (760, 62422), (874, 54280), (920, 51566), (944, 50255), (1058, 44840), (1121, 42320), (1180, 40204), (1357, 34960), (1520, 31211), (1748, 27140), (1840, 25783), (2116, 22420), (2185, 21712), (2242, 21160), (2360, 20102), (2645, 17936), (2714, 17480), (3496, 13570), (4232, 11210), (4370, 10856), (4484, 10580), (4720, 10051), (5290, 8968), (5428, 8740), (5605, 8464), (6785, 6992)]