215859280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:381

約数の個数: 160

約数和(自身を含む): 624960000

約数和(自身を除く): 409100720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 149, 182, 199, 208, 260, 280, 298, 364, 398, 455, 520, 560, 596, 728, 745, 796, 910, 995, 1040, 1043, 1192, 1393, 1456, 1490, 1592, 1820, 1937, 1990, 2086, 2384, 2587, 2786, 2980, 3184, 3640, 3874, 3980, 4172, 5174, 5215, 5572, 5960, 6965, 7280, 7748, 7960, 8344, 9685, 10348, 10430, 11144, 11920, 12935, 13559, 13930, 15496, 15920, 16688, 18109, 19370, 20696, 20860, 22288, 25870, 27118, 27860, 29651, 30992, 36218, 38740, 41392, 41720, 51740, 54236, 55720, 59302, 67795, 72436, 77480, 83440, 90545, 103480, 108472, 111440, 118604, 135590, 144872, 148255, 154960, 181090, 206960, 207557, 216944, 237208, 271180, 289744, 296510, 362180, 385463, 415114, 474416, 542360, 593020, 724360, 770926, 830228, 1037785, 1084720, 1186040, 1448720, 1541852, 1660456, 1927315, 2075570, 2372080, 2698241, 3083704, 3320912, 3854630, 4151140, 5396482, 6167408, 7709260, 8302280, 10792964, 13491205, 15418520, 16604560, 21585928, 26982410, 30837040, 43171856, 53964820, 107929640, 215859280]

約数ペア:

[(1, 215859280), (2, 107929640), (4, 53964820), (5, 43171856), (7, 30837040), (8, 26982410), (10, 21585928), (13, 16604560), (14, 15418520), (16, 13491205), (20, 10792964), (26, 8302280), (28, 7709260), (35, 6167408), (40, 5396482), (52, 4151140), (56, 3854630), (65, 3320912), (70, 3083704), (80, 2698241), (91, 2372080), (104, 2075570), (112, 1927315), (130, 1660456), (140, 1541852), (149, 1448720), (182, 1186040), (199, 1084720), (208, 1037785), (260, 830228), (280, 770926), (298, 724360), (364, 593020), (398, 542360), (455, 474416), (520, 415114), (560, 385463), (596, 362180), (728, 296510), (745, 289744), (796, 271180), (910, 237208), (995, 216944), (1040, 207557), (1043, 206960), (1192, 181090), (1393, 154960), (1456, 148255), (1490, 144872), (1592, 135590), (1820, 118604), (1937, 111440), (1990, 108472), (2086, 103480), (2384, 90545), (2587, 83440), (2786, 77480), (2980, 72436), (3184, 67795), (3640, 59302), (3874, 55720), (3980, 54236), (4172, 51740), (5174, 41720), (5215, 41392), (5572, 38740), (5960, 36218), (6965, 30992), (7280, 29651), (7748, 27860), (7960, 27118), (8344, 25870), (9685, 22288), (10348, 20860), (10430, 20696), (11144, 19370), (11920, 18109), (12935, 16688), (13559, 15920), (13930, 15496)]