18301560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1$

素因数の和:405

約数の個数: 128

約数和(自身を含む): 60480000

約数和(自身を除く): 42178440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 23, 24, 30, 38, 40, 46, 57, 60, 69, 76, 92, 95, 114, 115, 120, 138, 152, 184, 190, 228, 230, 276, 285, 345, 349, 380, 437, 456, 460, 552, 570, 690, 698, 760, 874, 920, 1047, 1140, 1311, 1380, 1396, 1745, 1748, 2094, 2185, 2280, 2622, 2760, 2792, 3490, 3496, 4188, 4370, 5235, 5244, 6555, 6631, 6980, 8027, 8376, 8740, 10470, 10488, 13110, 13262, 13960, 16054, 17480, 19893, 20940, 24081, 26220, 26524, 32108, 33155, 39786, 40135, 41880, 48162, 52440, 53048, 64216, 66310, 79572, 80270, 96324, 99465, 120405, 132620, 152513, 159144, 160540, 192648, 198930, 240810, 265240, 305026, 321080, 397860, 457539, 481620, 610052, 762565, 795720, 915078, 963240, 1220104, 1525130, 1830156, 2287695, 3050260, 3660312, 4575390, 6100520, 9150780, 18301560]

約数ペア:

[(1, 18301560), (2, 9150780), (3, 6100520), (4, 4575390), (5, 3660312), (6, 3050260), (8, 2287695), (10, 1830156), (12, 1525130), (15, 1220104), (19, 963240), (20, 915078), (23, 795720), (24, 762565), (30, 610052), (38, 481620), (40, 457539), (46, 397860), (57, 321080), (60, 305026), (69, 265240), (76, 240810), (92, 198930), (95, 192648), (114, 160540), (115, 159144), (120, 152513), (138, 132620), (152, 120405), (184, 99465), (190, 96324), (228, 80270), (230, 79572), (276, 66310), (285, 64216), (345, 53048), (349, 52440), (380, 48162), (437, 41880), (456, 40135), (460, 39786), (552, 33155), (570, 32108), (690, 26524), (698, 26220), (760, 24081), (874, 20940), (920, 19893), (1047, 17480), (1140, 16054), (1311, 13960), (1380, 13262), (1396, 13110), (1745, 10488), (1748, 10470), (2094, 8740), (2185, 8376), (2280, 8027), (2622, 6980), (2760, 6631), (2792, 6555), (3490, 5244), (3496, 5235), (4188, 4370)]