315565520

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:213

約数の個数: 160

約数和(自身を含む): 809948160

約数和(自身を除く): 494382640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 41, 46, 47, 80, 82, 89, 92, 94, 115, 164, 178, 184, 188, 205, 230, 235, 328, 356, 368, 376, 410, 445, 460, 470, 656, 712, 752, 820, 890, 920, 940, 943, 1081, 1424, 1640, 1780, 1840, 1880, 1886, 1927, 2047, 2162, 3280, 3560, 3649, 3760, 3772, 3854, 4094, 4183, 4324, 4715, 5405, 7120, 7298, 7544, 7708, 8188, 8366, 8648, 9430, 9635, 10235, 10810, 14596, 15088, 15416, 16376, 16732, 17296, 18245, 18860, 19270, 20470, 20915, 21620, 29192, 30832, 32752, 33464, 36490, 37720, 38540, 40940, 41830, 43240, 44321, 58384, 66928, 72980, 75440, 77080, 81880, 83660, 83927, 86480, 88642, 96209, 145960, 154160, 163760, 167320, 167854, 171503, 177284, 192418, 221605, 291920, 334640, 335708, 343006, 354568, 384836, 419635, 443210, 481045, 671416, 686012, 709136, 769672, 839270, 857515, 886420, 962090, 1342832, 1372024, 1539344, 1678540, 1715030, 1772840, 1924180, 2744048, 3357080, 3430060, 3545680, 3848360, 3944569, 6714160, 6860120, 7696720, 7889138, 13720240, 15778276, 19722845, 31556552, 39445690, 63113104, 78891380, 157782760, 315565520]

約数ペア:

[(1, 315565520), (2, 157782760), (4, 78891380), (5, 63113104), (8, 39445690), (10, 31556552), (16, 19722845), (20, 15778276), (23, 13720240), (40, 7889138), (41, 7696720), (46, 6860120), (47, 6714160), (80, 3944569), (82, 3848360), (89, 3545680), (92, 3430060), (94, 3357080), (115, 2744048), (164, 1924180), (178, 1772840), (184, 1715030), (188, 1678540), (205, 1539344), (230, 1372024), (235, 1342832), (328, 962090), (356, 886420), (368, 857515), (376, 839270), (410, 769672), (445, 709136), (460, 686012), (470, 671416), (656, 481045), (712, 443210), (752, 419635), (820, 384836), (890, 354568), (920, 343006), (940, 335708), (943, 334640), (1081, 291920), (1424, 221605), (1640, 192418), (1780, 177284), (1840, 171503), (1880, 167854), (1886, 167320), (1927, 163760), (2047, 154160), (2162, 145960), (3280, 96209), (3560, 88642), (3649, 86480), (3760, 83927), (3772, 83660), (3854, 81880), (4094, 77080), (4183, 75440), (4324, 72980), (4715, 66928), (5405, 58384), (7120, 44321), (7298, 43240), (7544, 41830), (7708, 40940), (8188, 38540), (8366, 37720), (8648, 36490), (9430, 33464), (9635, 32752), (10235, 30832), (10810, 29192), (14596, 21620), (15088, 20915), (15416, 20470), (16376, 19270), (16732, 18860), (17296, 18245)]