81576880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:108

約数の個数: 320

約数和(自身を含む): 269982720

約数和(自身を除く): 188405840

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 17, 19, 20, 22, 28, 34, 35, 38, 40, 41, 44, 55, 56, 68, 70, 76, 77, 80, 82, 85, 88, 95, 110, 112, 119, 133, 136, 140, 152, 154, 164, 170, 176, 187, 190, 205, 209, 220, 238, 266, 272, 280, 287, 304, 308, 323, 328, 340, 374, 380, 385, 410, 418, 440, 451, 476, 532, 560, 574, 595, 616, 646, 656, 665, 680, 697, 748, 760, 770, 779, 820, 836, 880, 902, 935, 952, 1045, 1064, 1148, 1190, 1232, 1292, 1309, 1330, 1360, 1394, 1435, 1463, 1496, 1520, 1540, 1558, 1615, 1640, 1672, 1804, 1870, 1904, 2090, 2128, 2255, 2261, 2296, 2380, 2584, 2618, 2660, 2788, 2870, 2926, 2992, 3080, 3116, 3157, 3230, 3280, 3344, 3485, 3553, 3608, 3740, 3895, 4180, 4510, 4522, 4592, 4760, 4879, 5168, 5236, 5320, 5453, 5576, 5740, 5852, 6160, 6232, 6314, 6460, 6545, 6970, 7106, 7216, 7315, 7480, 7667, 7790, 8360, 8569, 9020, 9044, 9520, 9758, 10472, 10640, 10906, 11152, 11305, 11480, 11704, 12464, 12628, 12920, 13090, 13243, 13940, 14212, 14630, 14960, 15334, 15580, 15785, 16720, 17138, 17765, 18040, 18088, 19516, 20944, 21812, 22610, 22960, 23408, 24395, 24871, 25256, 25840, 26180, 26486, 27265, 27880, 28424, 29260, 30668, 31160, 31570, 34276, 35530, 36080, 36176, 38335, 39032, 42845, 43624, 45220, 48790, 49742, 50512, 52360, 52972, 53669, 54530, 55760, 56848, 58520, 59983, 61336, 62320, 63140, 66215, 68552, 71060, 76670, 78064, 85690, 87248, 90440, 92701, 97580, 99484, 104720, 105944, 107338, 109060, 117040, 119966, 122672, 124355, 126280, 132430, 137104, 142120, 145673, 153340, 171380, 180880, 185402, 195160, 198968, 211888, 214676, 218120, 239932, 248710, 252560, 264860, 268345, 284240, 291346, 299915, 306680, 342760, 370804, 390320, 397936, 429352, 436240, 463505, 479864, 497420, 529720, 536690, 582692, 599830, 613360, 685520, 728365, 741608, 858704, 927010, 959728, 994840, 1019711, 1059440, 1073380, 1165384, 1199660, 1456730, 1483216, 1854020, 1989680, 2039422, 2146760, 2330768, 2399320, 2913460, 3708040, 4078844, 4293520, 4798640, 5098555, 5826920, 7416080, 8157688, 10197110, 11653840, 16315376, 20394220, 40788440, 81576880]

約数ペア:

[(1, 81576880), (2, 40788440), (4, 20394220), (5, 16315376), (7, 11653840), (8, 10197110), (10, 8157688), (11, 7416080), (14, 5826920), (16, 5098555), (17, 4798640), (19, 4293520), (20, 4078844), (22, 3708040), (28, 2913460), (34, 2399320), (35, 2330768), (38, 2146760), (40, 2039422), (41, 1989680), (44, 1854020), (55, 1483216), (56, 1456730), (68, 1199660), (70, 1165384), (76, 1073380), (77, 1059440), (80, 1019711), (82, 994840), (85, 959728), (88, 927010), (95, 858704), (110, 741608), (112, 728365), (119, 685520), (133, 613360), (136, 599830), (140, 582692), (152, 536690), (154, 529720), (164, 497420), (170, 479864), (176, 463505), (187, 436240), (190, 429352), (205, 397936), (209, 390320), (220, 370804), (238, 342760), (266, 306680), (272, 299915), (280, 291346), (287, 284240), (304, 268345), (308, 264860), (323, 252560), (328, 248710), (340, 239932), (374, 218120), (380, 214676), (385, 211888), (410, 198968), (418, 195160), (440, 185402), (451, 180880), (476, 171380), (532, 153340), (560, 145673), (574, 142120), (595, 137104), (616, 132430), (646, 126280), (656, 124355), (665, 122672), (680, 119966), (697, 117040), (748, 109060), (760, 107338), (770, 105944), (779, 104720), (820, 99484), (836, 97580), (880, 92701), (902, 90440), (935, 87248), (952, 85690), (1045, 78064), (1064, 76670), (1148, 71060), (1190, 68552), (1232, 66215), (1292, 63140), (1309, 62320), (1330, 61336), (1360, 59983), (1394, 58520), (1435, 56848), (1463, 55760), (1496, 54530), (1520, 53669), (1540, 52972), (1558, 52360), (1615, 50512), (1640, 49742), (1672, 48790), (1804, 45220), (1870, 43624), (1904, 42845), (2090, 39032), (2128, 38335), (2255, 36176), (2261, 36080), (2296, 35530), (2380, 34276), (2584, 31570), (2618, 31160), (2660, 30668), (2788, 29260), (2870, 28424), (2926, 27880), (2992, 27265), (3080, 26486), (3116, 26180), (3157, 25840), (3230, 25256), (3280, 24871), (3344, 24395), (3485, 23408), (3553, 22960), (3608, 22610), (3740, 21812), (3895, 20944), (4180, 19516), (4510, 18088), (4522, 18040), (4592, 17765), (4760, 17138), (4879, 16720), (5168, 15785), (5236, 15580), (5320, 15334), (5453, 14960), (5576, 14630), (5740, 14212), (5852, 13940), (6160, 13243), (6232, 13090), (6314, 12920), (6460, 12628), (6545, 12464), (6970, 11704), (7106, 11480), (7216, 11305), (7315, 11152), (7480, 10906), (7667, 10640), (7790, 10472), (8360, 9758), (8569, 9520), (9020, 9044)]