157782760

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:211

約数の個数: 128

約数和(自身を含む): 391910400

約数和(自身を除く): 234127640

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 41, 46, 47, 82, 89, 92, 94, 115, 164, 178, 184, 188, 205, 230, 235, 328, 356, 376, 410, 445, 460, 470, 712, 820, 890, 920, 940, 943, 1081, 1640, 1780, 1880, 1886, 1927, 2047, 2162, 3560, 3649, 3772, 3854, 4094, 4183, 4324, 4715, 5405, 7298, 7544, 7708, 8188, 8366, 8648, 9430, 9635, 10235, 10810, 14596, 15416, 16376, 16732, 18245, 18860, 19270, 20470, 20915, 21620, 29192, 33464, 36490, 37720, 38540, 40940, 41830, 43240, 44321, 72980, 77080, 81880, 83660, 83927, 88642, 96209, 145960, 167320, 167854, 171503, 177284, 192418, 221605, 335708, 343006, 354568, 384836, 419635, 443210, 481045, 671416, 686012, 769672, 839270, 857515, 886420, 962090, 1372024, 1678540, 1715030, 1772840, 1924180, 3357080, 3430060, 3848360, 3944569, 6860120, 7889138, 15778276, 19722845, 31556552, 39445690, 78891380, 157782760]

約数ペア:

[(1, 157782760), (2, 78891380), (4, 39445690), (5, 31556552), (8, 19722845), (10, 15778276), (20, 7889138), (23, 6860120), (40, 3944569), (41, 3848360), (46, 3430060), (47, 3357080), (82, 1924180), (89, 1772840), (92, 1715030), (94, 1678540), (115, 1372024), (164, 962090), (178, 886420), (184, 857515), (188, 839270), (205, 769672), (230, 686012), (235, 671416), (328, 481045), (356, 443210), (376, 419635), (410, 384836), (445, 354568), (460, 343006), (470, 335708), (712, 221605), (820, 192418), (890, 177284), (920, 171503), (940, 167854), (943, 167320), (1081, 145960), (1640, 96209), (1780, 88642), (1880, 83927), (1886, 83660), (1927, 81880), (2047, 77080), (2162, 72980), (3560, 44321), (3649, 43240), (3772, 41830), (3854, 40940), (4094, 38540), (4183, 37720), (4324, 36490), (4715, 33464), (5405, 29192), (7298, 21620), (7544, 20915), (7708, 20470), (8188, 19270), (8366, 18860), (8648, 18245), (9430, 16732), (9635, 16376), (10235, 15416), (10810, 14596)]