855288120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{2843}}^1$

素因数の和:2989

約数の個数: 128

約数和(自身を含む): 2702937600

約数和(自身を除く): 1847649480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 109, 115, 120, 138, 184, 218, 230, 276, 327, 345, 436, 460, 545, 552, 654, 690, 872, 920, 1090, 1308, 1380, 1635, 2180, 2507, 2616, 2760, 2843, 3270, 4360, 5014, 5686, 6540, 7521, 8529, 10028, 11372, 12535, 13080, 14215, 15042, 17058, 20056, 22744, 25070, 28430, 30084, 34116, 37605, 42645, 50140, 56860, 60168, 65389, 68232, 75210, 85290, 100280, 113720, 130778, 150420, 170580, 196167, 261556, 300840, 309887, 326945, 341160, 392334, 523112, 619774, 653890, 784668, 929661, 980835, 1239548, 1307780, 1549435, 1569336, 1859322, 1961670, 2479096, 2615560, 3098870, 3718644, 3923340, 4648305, 6197740, 7127401, 7437288, 7846680, 9296610, 12395480, 14254802, 18593220, 21382203, 28509604, 35637005, 37186440, 42764406, 57019208, 71274010, 85528812, 106911015, 142548020, 171057624, 213822030, 285096040, 427644060, 855288120]

約数ペア:

[(1, 855288120), (2, 427644060), (3, 285096040), (4, 213822030), (5, 171057624), (6, 142548020), (8, 106911015), (10, 85528812), (12, 71274010), (15, 57019208), (20, 42764406), (23, 37186440), (24, 35637005), (30, 28509604), (40, 21382203), (46, 18593220), (60, 14254802), (69, 12395480), (92, 9296610), (109, 7846680), (115, 7437288), (120, 7127401), (138, 6197740), (184, 4648305), (218, 3923340), (230, 3718644), (276, 3098870), (327, 2615560), (345, 2479096), (436, 1961670), (460, 1859322), (545, 1569336), (552, 1549435), (654, 1307780), (690, 1239548), (872, 980835), (920, 929661), (1090, 784668), (1308, 653890), (1380, 619774), (1635, 523112), (2180, 392334), (2507, 341160), (2616, 326945), (2760, 309887), (2843, 300840), (3270, 261556), (4360, 196167), (5014, 170580), (5686, 150420), (6540, 130778), (7521, 113720), (8529, 100280), (10028, 85290), (11372, 75210), (12535, 68232), (13080, 65389), (14215, 60168), (15042, 56860), (17058, 50140), (20056, 42645), (22744, 37605), (25070, 34116), (28430, 30084)]