1881880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1$

素因数の和:89

約数の個数: 128

約数和(自身を含む): 5806080

約数和(自身を除く): 3924200

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 44, 47, 52, 55, 56, 65, 70, 77, 88, 91, 94, 104, 110, 130, 140, 143, 154, 182, 188, 220, 235, 260, 280, 286, 308, 329, 364, 376, 385, 440, 455, 470, 517, 520, 572, 611, 616, 658, 715, 728, 770, 910, 940, 1001, 1034, 1144, 1222, 1316, 1430, 1540, 1645, 1820, 1880, 2002, 2068, 2444, 2585, 2632, 2860, 3055, 3080, 3290, 3619, 3640, 4004, 4136, 4277, 4888, 5005, 5170, 5720, 6110, 6580, 6721, 7238, 8008, 8554, 10010, 10340, 12220, 13160, 13442, 14476, 17108, 18095, 20020, 20680, 21385, 24440, 26884, 28952, 33605, 34216, 36190, 40040, 42770, 47047, 53768, 67210, 72380, 85540, 94094, 134420, 144760, 171080, 188188, 235235, 268840, 376376, 470470, 940940, 1881880]

約数ペア:

[(1, 1881880), (2, 940940), (4, 470470), (5, 376376), (7, 268840), (8, 235235), (10, 188188), (11, 171080), (13, 144760), (14, 134420), (20, 94094), (22, 85540), (26, 72380), (28, 67210), (35, 53768), (40, 47047), (44, 42770), (47, 40040), (52, 36190), (55, 34216), (56, 33605), (65, 28952), (70, 26884), (77, 24440), (88, 21385), (91, 20680), (94, 20020), (104, 18095), (110, 17108), (130, 14476), (140, 13442), (143, 13160), (154, 12220), (182, 10340), (188, 10010), (220, 8554), (235, 8008), (260, 7238), (280, 6721), (286, 6580), (308, 6110), (329, 5720), (364, 5170), (376, 5005), (385, 4888), (440, 4277), (455, 4136), (470, 4004), (517, 3640), (520, 3619), (572, 3290), (611, 3080), (616, 3055), (658, 2860), (715, 2632), (728, 2585), (770, 2444), (910, 2068), (940, 2002), (1001, 1880), (1034, 1820), (1144, 1645), (1222, 1540), (1316, 1430)]