161645120

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{61}}^1$

素因数の和:118

約数の個数: 252

約数和(自身を含む): 492802164

約数和(自身を除く): 331157044

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 61, 64, 65, 70, 80, 91, 98, 104, 112, 122, 130, 140, 160, 169, 182, 196, 208, 224, 244, 245, 260, 280, 305, 320, 338, 364, 392, 416, 427, 448, 455, 488, 490, 520, 560, 610, 637, 676, 728, 784, 793, 832, 845, 854, 910, 976, 980, 1040, 1120, 1183, 1220, 1274, 1352, 1456, 1568, 1586, 1690, 1708, 1820, 1952, 1960, 2080, 2135, 2240, 2366, 2440, 2548, 2704, 2912, 2989, 3136, 3172, 3185, 3380, 3416, 3640, 3904, 3920, 3965, 4160, 4270, 4732, 4880, 5096, 5408, 5551, 5824, 5915, 5978, 6344, 6370, 6760, 6832, 7280, 7840, 7930, 8281, 8540, 9464, 9760, 10192, 10309, 10816, 11102, 11830, 11956, 12688, 12740, 13520, 13664, 14560, 14945, 15680, 15860, 16562, 17080, 18928, 19520, 20384, 20618, 22204, 23660, 23912, 25376, 25480, 27040, 27328, 27755, 29120, 29890, 31720, 33124, 34160, 37856, 38857, 40768, 41236, 41405, 44408, 47320, 47824, 50752, 50960, 51545, 54080, 55510, 59780, 63440, 66248, 68320, 72163, 75712, 77714, 82472, 82810, 88816, 94640, 95648, 101920, 103090, 111020, 119560, 126880, 132496, 136640, 144326, 155428, 164944, 165620, 177632, 189280, 191296, 194285, 203840, 206180, 222040, 239120, 253760, 264992, 288652, 310856, 329888, 331240, 355264, 360815, 378560, 388570, 412360, 444080, 478240, 505141, 529984, 577304, 621712, 659776, 662480, 721630, 777140, 824720, 888160, 956480, 1010282, 1154608, 1243424, 1324960, 1443260, 1554280, 1649440, 1776320, 2020564, 2309216, 2486848, 2525705, 2649920, 2886520, 3108560, 3298880, 4041128, 4618432, 5051410, 5773040, 6217120, 8082256, 10102820, 11546080, 12434240, 16164512, 20205640, 23092160, 32329024, 40411280, 80822560, 161645120]

約数ペア:

[(1, 161645120), (2, 80822560), (4, 40411280), (5, 32329024), (7, 23092160), (8, 20205640), (10, 16164512), (13, 12434240), (14, 11546080), (16, 10102820), (20, 8082256), (26, 6217120), (28, 5773040), (32, 5051410), (35, 4618432), (40, 4041128), (49, 3298880), (52, 3108560), (56, 2886520), (61, 2649920), (64, 2525705), (65, 2486848), (70, 2309216), (80, 2020564), (91, 1776320), (98, 1649440), (104, 1554280), (112, 1443260), (122, 1324960), (130, 1243424), (140, 1154608), (160, 1010282), (169, 956480), (182, 888160), (196, 824720), (208, 777140), (224, 721630), (244, 662480), (245, 659776), (260, 621712), (280, 577304), (305, 529984), (320, 505141), (338, 478240), (364, 444080), (392, 412360), (416, 388570), (427, 378560), (448, 360815), (455, 355264), (488, 331240), (490, 329888), (520, 310856), (560, 288652), (610, 264992), (637, 253760), (676, 239120), (728, 222040), (784, 206180), (793, 203840), (832, 194285), (845, 191296), (854, 189280), (910, 177632), (976, 165620), (980, 164944), (1040, 155428), (1120, 144326), (1183, 136640), (1220, 132496), (1274, 126880), (1352, 119560), (1456, 111020), (1568, 103090), (1586, 101920), (1690, 95648), (1708, 94640), (1820, 88816), (1952, 82810), (1960, 82472), (2080, 77714), (2135, 75712), (2240, 72163), (2366, 68320), (2440, 66248), (2548, 63440), (2704, 59780), (2912, 55510), (2989, 54080), (3136, 51545), (3172, 50960), (3185, 50752), (3380, 47824), (3416, 47320), (3640, 44408), (3904, 41405), (3920, 41236), (3965, 40768), (4160, 38857), (4270, 37856), (4732, 34160), (4880, 33124), (5096, 31720), (5408, 29890), (5551, 29120), (5824, 27755), (5915, 27328), (5978, 27040), (6344, 25480), (6370, 25376), (6760, 23912), (6832, 23660), (7280, 22204), (7840, 20618), (7930, 20384), (8281, 19520), (8540, 18928), (9464, 17080), (9760, 16562), (10192, 15860), (10309, 15680), (10816, 14945), (11102, 14560), (11830, 13664), (11956, 13520), (12688, 12740)]