80169720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{937}}^1$

素因数の和:1005

約数の個数: 128

約数和(自身を含む): 259338240

約数和(自身を除く): 179168520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 31, 40, 46, 60, 62, 69, 92, 93, 115, 120, 124, 138, 155, 184, 186, 230, 248, 276, 310, 345, 372, 460, 465, 552, 620, 690, 713, 744, 920, 930, 937, 1240, 1380, 1426, 1860, 1874, 2139, 2760, 2811, 2852, 3565, 3720, 3748, 4278, 4685, 5622, 5704, 7130, 7496, 8556, 9370, 10695, 11244, 14055, 14260, 17112, 18740, 21390, 21551, 22488, 28110, 28520, 29047, 37480, 42780, 43102, 56220, 58094, 64653, 85560, 86204, 87141, 107755, 112440, 116188, 129306, 145235, 172408, 174282, 215510, 232376, 258612, 290470, 323265, 348564, 431020, 435705, 517224, 580940, 646530, 668081, 697128, 862040, 871410, 1161880, 1293060, 1336162, 1742820, 2004243, 2586120, 2672324, 3340405, 3485640, 4008486, 5344648, 6680810, 8016972, 10021215, 13361620, 16033944, 20042430, 26723240, 40084860, 80169720]

約数ペア:

[(1, 80169720), (2, 40084860), (3, 26723240), (4, 20042430), (5, 16033944), (6, 13361620), (8, 10021215), (10, 8016972), (12, 6680810), (15, 5344648), (20, 4008486), (23, 3485640), (24, 3340405), (30, 2672324), (31, 2586120), (40, 2004243), (46, 1742820), (60, 1336162), (62, 1293060), (69, 1161880), (92, 871410), (93, 862040), (115, 697128), (120, 668081), (124, 646530), (138, 580940), (155, 517224), (184, 435705), (186, 431020), (230, 348564), (248, 323265), (276, 290470), (310, 258612), (345, 232376), (372, 215510), (460, 174282), (465, 172408), (552, 145235), (620, 129306), (690, 116188), (713, 112440), (744, 107755), (920, 87141), (930, 86204), (937, 85560), (1240, 64653), (1380, 58094), (1426, 56220), (1860, 43102), (1874, 42780), (2139, 37480), (2760, 29047), (2811, 28520), (2852, 28110), (3565, 22488), (3720, 21551), (3748, 21390), (4278, 18740), (4685, 17112), (5622, 14260), (5704, 14055), (7130, 11244), (7496, 10695), (8556, 9370)]