280494480

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{839}}^1$

素因数の和:1061

約数の個数: 160

約数和(自身を含む): 999936000

約数和(自身を除く): 719441520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 199, 210, 240, 280, 336, 398, 420, 560, 597, 796, 839, 840, 995, 1194, 1393, 1592, 1678, 1680, 1990, 2388, 2517, 2786, 2985, 3184, 3356, 3980, 4179, 4195, 4776, 5034, 5572, 5873, 5970, 6712, 6965, 7960, 8358, 8390, 9552, 10068, 11144, 11746, 11940, 12585, 13424, 13930, 15920, 16716, 16780, 17619, 20136, 20895, 22288, 23492, 23880, 25170, 27860, 29365, 33432, 33560, 35238, 40272, 41790, 46984, 47760, 50340, 55720, 58730, 66864, 67120, 70476, 83580, 88095, 93968, 100680, 111440, 117460, 140952, 166961, 167160, 176190, 201360, 234920, 281904, 333922, 334320, 352380, 469840, 500883, 667844, 704760, 834805, 1001766, 1168727, 1335688, 1409520, 1669610, 2003532, 2337454, 2504415, 2671376, 3339220, 3506181, 4007064, 4674908, 5008830, 5843635, 6678440, 7012362, 8014128, 9349816, 10017660, 11687270, 13356880, 14024724, 17530905, 18699632, 20035320, 23374540, 28049448, 35061810, 40070640, 46749080, 56098896, 70123620, 93498160, 140247240, 280494480]

約数ペア:

[(1, 280494480), (2, 140247240), (3, 93498160), (4, 70123620), (5, 56098896), (6, 46749080), (7, 40070640), (8, 35061810), (10, 28049448), (12, 23374540), (14, 20035320), (15, 18699632), (16, 17530905), (20, 14024724), (21, 13356880), (24, 11687270), (28, 10017660), (30, 9349816), (35, 8014128), (40, 7012362), (42, 6678440), (48, 5843635), (56, 5008830), (60, 4674908), (70, 4007064), (80, 3506181), (84, 3339220), (105, 2671376), (112, 2504415), (120, 2337454), (140, 2003532), (168, 1669610), (199, 1409520), (210, 1335688), (240, 1168727), (280, 1001766), (336, 834805), (398, 704760), (420, 667844), (560, 500883), (597, 469840), (796, 352380), (839, 334320), (840, 333922), (995, 281904), (1194, 234920), (1393, 201360), (1592, 176190), (1678, 167160), (1680, 166961), (1990, 140952), (2388, 117460), (2517, 111440), (2786, 100680), (2985, 93968), (3184, 88095), (3356, 83580), (3980, 70476), (4179, 67120), (4195, 66864), (4776, 58730), (5034, 55720), (5572, 50340), (5873, 47760), (5970, 46984), (6712, 41790), (6965, 40272), (7960, 35238), (8358, 33560), (8390, 33432), (9552, 29365), (10068, 27860), (11144, 25170), (11746, 23880), (11940, 23492), (12585, 22288), (13424, 20895), (13930, 20136), (15920, 17619), (16716, 16780)]