28342680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1$

素因数の和:465

約数の個数: 128

約数和(自身を含む): 92620800

約数和(自身を除く): 64278120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 31, 38, 40, 57, 60, 62, 76, 93, 95, 114, 120, 124, 152, 155, 186, 190, 228, 248, 285, 310, 372, 380, 401, 456, 465, 570, 589, 620, 744, 760, 802, 930, 1140, 1178, 1203, 1240, 1604, 1767, 1860, 2005, 2280, 2356, 2406, 2945, 3208, 3534, 3720, 4010, 4712, 4812, 5890, 6015, 7068, 7619, 8020, 8835, 9624, 11780, 12030, 12431, 14136, 15238, 16040, 17670, 22857, 23560, 24060, 24862, 30476, 35340, 37293, 38095, 45714, 48120, 49724, 60952, 62155, 70680, 74586, 76190, 91428, 99448, 114285, 124310, 149172, 152380, 182856, 186465, 228570, 236189, 248620, 298344, 304760, 372930, 457140, 472378, 497240, 708567, 745860, 914280, 944756, 1180945, 1417134, 1491720, 1889512, 2361890, 2834268, 3542835, 4723780, 5668536, 7085670, 9447560, 14171340, 28342680]

約数ペア:

[(1, 28342680), (2, 14171340), (3, 9447560), (4, 7085670), (5, 5668536), (6, 4723780), (8, 3542835), (10, 2834268), (12, 2361890), (15, 1889512), (19, 1491720), (20, 1417134), (24, 1180945), (30, 944756), (31, 914280), (38, 745860), (40, 708567), (57, 497240), (60, 472378), (62, 457140), (76, 372930), (93, 304760), (95, 298344), (114, 248620), (120, 236189), (124, 228570), (152, 186465), (155, 182856), (186, 152380), (190, 149172), (228, 124310), (248, 114285), (285, 99448), (310, 91428), (372, 76190), (380, 74586), (401, 70680), (456, 62155), (465, 60952), (570, 49724), (589, 48120), (620, 45714), (744, 38095), (760, 37293), (802, 35340), (930, 30476), (1140, 24862), (1178, 24060), (1203, 23560), (1240, 22857), (1604, 17670), (1767, 16040), (1860, 15238), (2005, 14136), (2280, 12431), (2356, 12030), (2406, 11780), (2945, 9624), (3208, 8835), (3534, 8020), (3720, 7619), (4010, 7068), (4712, 6015), (4812, 5890)]