28394640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{349}}^1$

素因数の和:481

約数の個数: 120

約数和(自身を含む): 96478200

約数和(自身を除く): 68083560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 113, 120, 144, 180, 226, 240, 339, 349, 360, 452, 565, 678, 698, 720, 904, 1017, 1047, 1130, 1356, 1396, 1695, 1745, 1808, 2034, 2094, 2260, 2712, 2792, 3141, 3390, 3490, 4068, 4188, 4520, 5085, 5235, 5424, 5584, 6282, 6780, 6980, 8136, 8376, 9040, 10170, 10470, 12564, 13560, 13960, 15705, 16272, 16752, 20340, 20940, 25128, 27120, 27920, 31410, 39437, 40680, 41880, 50256, 62820, 78874, 81360, 83760, 118311, 125640, 157748, 197185, 236622, 251280, 315496, 354933, 394370, 473244, 591555, 630992, 709866, 788740, 946488, 1183110, 1419732, 1577480, 1774665, 1892976, 2366220, 2839464, 3154960, 3549330, 4732440, 5678928, 7098660, 9464880, 14197320, 28394640]

約数ペア:

[(1, 28394640), (2, 14197320), (3, 9464880), (4, 7098660), (5, 5678928), (6, 4732440), (8, 3549330), (9, 3154960), (10, 2839464), (12, 2366220), (15, 1892976), (16, 1774665), (18, 1577480), (20, 1419732), (24, 1183110), (30, 946488), (36, 788740), (40, 709866), (45, 630992), (48, 591555), (60, 473244), (72, 394370), (80, 354933), (90, 315496), (113, 251280), (120, 236622), (144, 197185), (180, 157748), (226, 125640), (240, 118311), (339, 83760), (349, 81360), (360, 78874), (452, 62820), (565, 50256), (678, 41880), (698, 40680), (720, 39437), (904, 31410), (1017, 27920), (1047, 27120), (1130, 25128), (1356, 20940), (1396, 20340), (1695, 16752), (1745, 16272), (1808, 15705), (2034, 13960), (2094, 13560), (2260, 12564), (2712, 10470), (2792, 10170), (3141, 9040), (3390, 8376), (3490, 8136), (4068, 6980), (4188, 6780), (4520, 6282), (5085, 5584), (5235, 5424)]