80822560

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{61}}^1$

素因数の和:116

約数の個数: 216

約数和(自身を含む): 244460916

約数和(自身を除く): 163638356

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 61, 65, 70, 80, 91, 98, 104, 112, 122, 130, 140, 160, 169, 182, 196, 208, 224, 244, 245, 260, 280, 305, 338, 364, 392, 416, 427, 455, 488, 490, 520, 560, 610, 637, 676, 728, 784, 793, 845, 854, 910, 976, 980, 1040, 1120, 1183, 1220, 1274, 1352, 1456, 1568, 1586, 1690, 1708, 1820, 1952, 1960, 2080, 2135, 2366, 2440, 2548, 2704, 2912, 2989, 3172, 3185, 3380, 3416, 3640, 3920, 3965, 4270, 4732, 4880, 5096, 5408, 5551, 5915, 5978, 6344, 6370, 6760, 6832, 7280, 7840, 7930, 8281, 8540, 9464, 9760, 10192, 10309, 11102, 11830, 11956, 12688, 12740, 13520, 13664, 14560, 14945, 15860, 16562, 17080, 18928, 20384, 20618, 22204, 23660, 23912, 25376, 25480, 27040, 27755, 29890, 31720, 33124, 34160, 37856, 38857, 41236, 41405, 44408, 47320, 47824, 50960, 51545, 55510, 59780, 63440, 66248, 68320, 72163, 77714, 82472, 82810, 88816, 94640, 95648, 101920, 103090, 111020, 119560, 126880, 132496, 144326, 155428, 164944, 165620, 177632, 189280, 194285, 206180, 222040, 239120, 264992, 288652, 310856, 329888, 331240, 360815, 388570, 412360, 444080, 478240, 505141, 577304, 621712, 662480, 721630, 777140, 824720, 888160, 1010282, 1154608, 1243424, 1324960, 1443260, 1554280, 1649440, 2020564, 2309216, 2525705, 2886520, 3108560, 4041128, 5051410, 5773040, 6217120, 8082256, 10102820, 11546080, 16164512, 20205640, 40411280, 80822560]

約数ペア:

[(1, 80822560), (2, 40411280), (4, 20205640), (5, 16164512), (7, 11546080), (8, 10102820), (10, 8082256), (13, 6217120), (14, 5773040), (16, 5051410), (20, 4041128), (26, 3108560), (28, 2886520), (32, 2525705), (35, 2309216), (40, 2020564), (49, 1649440), (52, 1554280), (56, 1443260), (61, 1324960), (65, 1243424), (70, 1154608), (80, 1010282), (91, 888160), (98, 824720), (104, 777140), (112, 721630), (122, 662480), (130, 621712), (140, 577304), (160, 505141), (169, 478240), (182, 444080), (196, 412360), (208, 388570), (224, 360815), (244, 331240), (245, 329888), (260, 310856), (280, 288652), (305, 264992), (338, 239120), (364, 222040), (392, 206180), (416, 194285), (427, 189280), (455, 177632), (488, 165620), (490, 164944), (520, 155428), (560, 144326), (610, 132496), (637, 126880), (676, 119560), (728, 111020), (784, 103090), (793, 101920), (845, 95648), (854, 94640), (910, 88816), (976, 82810), (980, 82472), (1040, 77714), (1120, 72163), (1183, 68320), (1220, 66248), (1274, 63440), (1352, 59780), (1456, 55510), (1568, 51545), (1586, 50960), (1690, 47824), (1708, 47320), (1820, 44408), (1952, 41405), (1960, 41236), (2080, 38857), (2135, 37856), (2366, 34160), (2440, 33124), (2548, 31720), (2704, 29890), (2912, 27755), (2989, 27040), (3172, 25480), (3185, 25376), (3380, 23912), (3416, 23660), (3640, 22204), (3920, 20618), (3965, 20384), (4270, 18928), (4732, 17080), (4880, 16562), (5096, 15860), (5408, 14945), (5551, 14560), (5915, 13664), (5978, 13520), (6344, 12740), (6370, 12688), (6760, 11956), (6832, 11830), (7280, 11102), (7840, 10309), (7930, 10192), (8281, 9760), (8540, 9464)]