7987560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:315

約数の個数: 128

約数和(自身を含む): 28235520

約数和(自身を除く): 20247960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 56, 60, 70, 74, 84, 105, 111, 120, 140, 148, 168, 185, 210, 222, 257, 259, 280, 296, 370, 420, 444, 514, 518, 555, 740, 771, 777, 840, 888, 1028, 1036, 1110, 1285, 1295, 1480, 1542, 1554, 1799, 2056, 2072, 2220, 2570, 2590, 3084, 3108, 3598, 3855, 3885, 4440, 5140, 5180, 5397, 6168, 6216, 7196, 7710, 7770, 8995, 9509, 10280, 10360, 10794, 14392, 15420, 15540, 17990, 19018, 21588, 26985, 28527, 30840, 31080, 35980, 38036, 43176, 47545, 53970, 57054, 66563, 71960, 76072, 95090, 107940, 114108, 133126, 142635, 190180, 199689, 215880, 228216, 266252, 285270, 332815, 380360, 399378, 532504, 570540, 665630, 798756, 998445, 1141080, 1331260, 1597512, 1996890, 2662520, 3993780, 7987560]

約数ペア:

[(1, 7987560), (2, 3993780), (3, 2662520), (4, 1996890), (5, 1597512), (6, 1331260), (7, 1141080), (8, 998445), (10, 798756), (12, 665630), (14, 570540), (15, 532504), (20, 399378), (21, 380360), (24, 332815), (28, 285270), (30, 266252), (35, 228216), (37, 215880), (40, 199689), (42, 190180), (56, 142635), (60, 133126), (70, 114108), (74, 107940), (84, 95090), (105, 76072), (111, 71960), (120, 66563), (140, 57054), (148, 53970), (168, 47545), (185, 43176), (210, 38036), (222, 35980), (257, 31080), (259, 30840), (280, 28527), (296, 26985), (370, 21588), (420, 19018), (444, 17990), (514, 15540), (518, 15420), (555, 14392), (740, 10794), (771, 10360), (777, 10280), (840, 9509), (888, 8995), (1028, 7770), (1036, 7710), (1110, 7196), (1285, 6216), (1295, 6168), (1480, 5397), (1542, 5180), (1554, 5140), (1799, 4440), (2056, 3885), (2072, 3855), (2220, 3598), (2570, 3108), (2590, 3084)]