15975120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:317

約数の個数: 160

約数和(自身を含む): 58353408

約数和(自身を除く): 42378288

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 37, 40, 42, 48, 56, 60, 70, 74, 80, 84, 105, 111, 112, 120, 140, 148, 168, 185, 210, 222, 240, 257, 259, 280, 296, 336, 370, 420, 444, 514, 518, 555, 560, 592, 740, 771, 777, 840, 888, 1028, 1036, 1110, 1285, 1295, 1480, 1542, 1554, 1680, 1776, 1799, 2056, 2072, 2220, 2570, 2590, 2960, 3084, 3108, 3598, 3855, 3885, 4112, 4144, 4440, 5140, 5180, 5397, 6168, 6216, 7196, 7710, 7770, 8880, 8995, 9509, 10280, 10360, 10794, 12336, 12432, 14392, 15420, 15540, 17990, 19018, 20560, 20720, 21588, 26985, 28527, 28784, 30840, 31080, 35980, 38036, 43176, 47545, 53970, 57054, 61680, 62160, 66563, 71960, 76072, 86352, 95090, 107940, 114108, 133126, 142635, 143920, 152144, 190180, 199689, 215880, 228216, 266252, 285270, 332815, 380360, 399378, 431760, 456432, 532504, 570540, 665630, 760720, 798756, 998445, 1065008, 1141080, 1331260, 1597512, 1996890, 2282160, 2662520, 3195024, 3993780, 5325040, 7987560, 15975120]

約数ペア:

[(1, 15975120), (2, 7987560), (3, 5325040), (4, 3993780), (5, 3195024), (6, 2662520), (7, 2282160), (8, 1996890), (10, 1597512), (12, 1331260), (14, 1141080), (15, 1065008), (16, 998445), (20, 798756), (21, 760720), (24, 665630), (28, 570540), (30, 532504), (35, 456432), (37, 431760), (40, 399378), (42, 380360), (48, 332815), (56, 285270), (60, 266252), (70, 228216), (74, 215880), (80, 199689), (84, 190180), (105, 152144), (111, 143920), (112, 142635), (120, 133126), (140, 114108), (148, 107940), (168, 95090), (185, 86352), (210, 76072), (222, 71960), (240, 66563), (257, 62160), (259, 61680), (280, 57054), (296, 53970), (336, 47545), (370, 43176), (420, 38036), (444, 35980), (514, 31080), (518, 30840), (555, 28784), (560, 28527), (592, 26985), (740, 21588), (771, 20720), (777, 20560), (840, 19018), (888, 17990), (1028, 15540), (1036, 15420), (1110, 14392), (1285, 12432), (1295, 12336), (1480, 10794), (1542, 10360), (1554, 10280), (1680, 9509), (1776, 8995), (1799, 8880), (2056, 7770), (2072, 7710), (2220, 7196), (2570, 6216), (2590, 6168), (2960, 5397), (3084, 5180), (3108, 5140), (3598, 4440), (3855, 4144), (3885, 4112)]