1821270880

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79601}}^1$

素因数の和:79640

約数の個数: 96

約数和(自身を含む): 5055045408

約数和(自身を除く): 3233774528

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 160, 176, 208, 220, 260, 286, 352, 416, 440, 520, 572, 715, 880, 1040, 1144, 1430, 1760, 2080, 2288, 2860, 4576, 5720, 11440, 22880, 79601, 159202, 318404, 398005, 636808, 796010, 875611, 1034813, 1273616, 1592020, 1751222, 2069626, 2547232, 3184040, 3502444, 4139252, 4378055, 5174065, 6368080, 7004888, 8278504, 8756110, 10348130, 11382943, 12736160, 14009776, 16557008, 17512220, 20696260, 22765886, 28019552, 33114016, 35024440, 41392520, 45531772, 56914715, 70048880, 82785040, 91063544, 113829430, 140097760, 165570080, 182127088, 227658860, 364254176, 455317720, 910635440, 1821270880]

約数ペア:

[(1, 1821270880), (2, 910635440), (4, 455317720), (5, 364254176), (8, 227658860), (10, 182127088), (11, 165570080), (13, 140097760), (16, 113829430), (20, 91063544), (22, 82785040), (26, 70048880), (32, 56914715), (40, 45531772), (44, 41392520), (52, 35024440), (55, 33114016), (65, 28019552), (80, 22765886), (88, 20696260), (104, 17512220), (110, 16557008), (130, 14009776), (143, 12736160), (160, 11382943), (176, 10348130), (208, 8756110), (220, 8278504), (260, 7004888), (286, 6368080), (352, 5174065), (416, 4378055), (440, 4139252), (520, 3502444), (572, 3184040), (715, 2547232), (880, 2069626), (1040, 1751222), (1144, 1592020), (1430, 1273616), (1760, 1034813), (2080, 875611), (2288, 796010), (2860, 636808), (4576, 398005), (5720, 318404), (11440, 159202), (22880, 79601)]