28251360

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{853}}^1$

素因数の和:897

約数の個数: 144

約数和(自身を含む): 100717344

約数和(自身を除く): 72465984

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 96, 115, 120, 138, 144, 160, 180, 184, 207, 230, 240, 276, 288, 345, 360, 368, 414, 460, 480, 552, 690, 720, 736, 828, 853, 920, 1035, 1104, 1380, 1440, 1656, 1706, 1840, 2070, 2208, 2559, 2760, 3312, 3412, 3680, 4140, 4265, 5118, 5520, 6624, 6824, 7677, 8280, 8530, 10236, 11040, 12795, 13648, 15354, 16560, 17060, 19619, 20472, 25590, 27296, 30708, 33120, 34120, 38385, 39238, 40944, 51180, 58857, 61416, 68240, 76770, 78476, 81888, 98095, 102360, 117714, 122832, 136480, 153540, 156952, 176571, 196190, 204720, 235428, 245664, 294285, 307080, 313904, 353142, 392380, 409440, 470856, 588570, 614160, 627808, 706284, 784760, 882855, 941712, 1177140, 1228320, 1412568, 1569520, 1765710, 1883424, 2354280, 2825136, 3139040, 3531420, 4708560, 5650272, 7062840, 9417120, 14125680, 28251360]

約数ペア:

[(1, 28251360), (2, 14125680), (3, 9417120), (4, 7062840), (5, 5650272), (6, 4708560), (8, 3531420), (9, 3139040), (10, 2825136), (12, 2354280), (15, 1883424), (16, 1765710), (18, 1569520), (20, 1412568), (23, 1228320), (24, 1177140), (30, 941712), (32, 882855), (36, 784760), (40, 706284), (45, 627808), (46, 614160), (48, 588570), (60, 470856), (69, 409440), (72, 392380), (80, 353142), (90, 313904), (92, 307080), (96, 294285), (115, 245664), (120, 235428), (138, 204720), (144, 196190), (160, 176571), (180, 156952), (184, 153540), (207, 136480), (230, 122832), (240, 117714), (276, 102360), (288, 98095), (345, 81888), (360, 78476), (368, 76770), (414, 68240), (460, 61416), (480, 58857), (552, 51180), (690, 40944), (720, 39238), (736, 38385), (828, 34120), (853, 33120), (920, 30708), (1035, 27296), (1104, 25590), (1380, 20472), (1440, 19619), (1656, 17060), (1706, 16560), (1840, 15354), (2070, 13648), (2208, 12795), (2559, 11040), (2760, 10236), (3312, 8530), (3412, 8280), (3680, 7677), (4140, 6824), (4265, 6624), (5118, 5520)]