31950240

素因数分解:

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

素因数の和:319

約数の個数: 192

約数和(自身を含む): 118589184

約数和(自身を除く): 86638944

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 37, 40, 42, 48, 56, 60, 70, 74, 80, 84, 96, 105, 111, 112, 120, 140, 148, 160, 168, 185, 210, 222, 224, 240, 257, 259, 280, 296, 336, 370, 420, 444, 480, 514, 518, 555, 560, 592, 672, 740, 771, 777, 840, 888, 1028, 1036, 1110, 1120, 1184, 1285, 1295, 1480, 1542, 1554, 1680, 1776, 1799, 2056, 2072, 2220, 2570, 2590, 2960, 3084, 3108, 3360, 3552, 3598, 3855, 3885, 4112, 4144, 4440, 5140, 5180, 5397, 5920, 6168, 6216, 7196, 7710, 7770, 8224, 8288, 8880, 8995, 9509, 10280, 10360, 10794, 12336, 12432, 14392, 15420, 15540, 17760, 17990, 19018, 20560, 20720, 21588, 24672, 24864, 26985, 28527, 28784, 30840, 31080, 35980, 38036, 41120, 41440, 43176, 47545, 53970, 57054, 57568, 61680, 62160, 66563, 71960, 76072, 86352, 95090, 107940, 114108, 123360, 124320, 133126, 142635, 143920, 152144, 172704, 190180, 199689, 215880, 228216, 266252, 285270, 287840, 304288, 332815, 380360, 399378, 431760, 456432, 532504, 570540, 665630, 760720, 798756, 863520, 912864, 998445, 1065008, 1141080, 1331260, 1521440, 1597512, 1996890, 2130016, 2282160, 2662520, 3195024, 3993780, 4564320, 5325040, 6390048, 7987560, 10650080, 15975120, 31950240]

約数ペア:

[(1, 31950240), (2, 15975120), (3, 10650080), (4, 7987560), (5, 6390048), (6, 5325040), (7, 4564320), (8, 3993780), (10, 3195024), (12, 2662520), (14, 2282160), (15, 2130016), (16, 1996890), (20, 1597512), (21, 1521440), (24, 1331260), (28, 1141080), (30, 1065008), (32, 998445), (35, 912864), (37, 863520), (40, 798756), (42, 760720), (48, 665630), (56, 570540), (60, 532504), (70, 456432), (74, 431760), (80, 399378), (84, 380360), (96, 332815), (105, 304288), (111, 287840), (112, 285270), (120, 266252), (140, 228216), (148, 215880), (160, 199689), (168, 190180), (185, 172704), (210, 152144), (222, 143920), (224, 142635), (240, 133126), (257, 124320), (259, 123360), (280, 114108), (296, 107940), (336, 95090), (370, 86352), (420, 76072), (444, 71960), (480, 66563), (514, 62160), (518, 61680), (555, 57568), (560, 57054), (592, 53970), (672, 47545), (740, 43176), (771, 41440), (777, 41120), (840, 38036), (888, 35980), (1028, 31080), (1036, 30840), (1110, 28784), (1120, 28527), (1184, 26985), (1285, 24864), (1295, 24672), (1480, 21588), (1542, 20720), (1554, 20560), (1680, 19018), (1776, 17990), (1799, 17760), (2056, 15540), (2072, 15420), (2220, 14392), (2570, 12432), (2590, 12336), (2960, 10794), (3084, 10360), (3108, 10280), (3360, 9509), (3552, 8995), (3598, 8880), (3855, 8288), (3885, 8224), (4112, 7770), (4144, 7710), (4440, 7196), (5140, 6216), (5180, 6168), (5397, 5920)]