18778080

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:137

約数の個数: 192

約数和(自身を含む): 65318400

約数和(自身を除く): 46540320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 29, 30, 32, 38, 40, 48, 57, 58, 60, 71, 76, 80, 87, 95, 96, 114, 116, 120, 142, 145, 152, 160, 174, 190, 213, 228, 232, 240, 284, 285, 290, 304, 348, 355, 380, 426, 435, 456, 464, 480, 551, 568, 570, 580, 608, 696, 710, 760, 852, 870, 912, 928, 1065, 1102, 1136, 1140, 1160, 1349, 1392, 1420, 1520, 1653, 1704, 1740, 1824, 2059, 2130, 2204, 2272, 2280, 2320, 2698, 2755, 2784, 2840, 3040, 3306, 3408, 3480, 4047, 4118, 4260, 4408, 4560, 4640, 5396, 5510, 5680, 6177, 6612, 6745, 6816, 6960, 8094, 8236, 8265, 8520, 8816, 9120, 10295, 10792, 11020, 11360, 12354, 13224, 13490, 13920, 16188, 16472, 16530, 17040, 17632, 20235, 20590, 21584, 22040, 24708, 26448, 26980, 30885, 32376, 32944, 33060, 34080, 39121, 40470, 41180, 43168, 44080, 49416, 52896, 53960, 61770, 64752, 65888, 66120, 78242, 80940, 82360, 88160, 98832, 107920, 117363, 123540, 129504, 132240, 156484, 161880, 164720, 195605, 197664, 215840, 234726, 247080, 264480, 312968, 323760, 329440, 391210, 469452, 494160, 586815, 625936, 647520, 782420, 938904, 988320, 1173630, 1251872, 1564840, 1877808, 2347260, 3129680, 3755616, 4694520, 6259360, 9389040, 18778080]

約数ペア:

[(1, 18778080), (2, 9389040), (3, 6259360), (4, 4694520), (5, 3755616), (6, 3129680), (8, 2347260), (10, 1877808), (12, 1564840), (15, 1251872), (16, 1173630), (19, 988320), (20, 938904), (24, 782420), (29, 647520), (30, 625936), (32, 586815), (38, 494160), (40, 469452), (48, 391210), (57, 329440), (58, 323760), (60, 312968), (71, 264480), (76, 247080), (80, 234726), (87, 215840), (95, 197664), (96, 195605), (114, 164720), (116, 161880), (120, 156484), (142, 132240), (145, 129504), (152, 123540), (160, 117363), (174, 107920), (190, 98832), (213, 88160), (228, 82360), (232, 80940), (240, 78242), (284, 66120), (285, 65888), (290, 64752), (304, 61770), (348, 53960), (355, 52896), (380, 49416), (426, 44080), (435, 43168), (456, 41180), (464, 40470), (480, 39121), (551, 34080), (568, 33060), (570, 32944), (580, 32376), (608, 30885), (696, 26980), (710, 26448), (760, 24708), (852, 22040), (870, 21584), (912, 20590), (928, 20235), (1065, 17632), (1102, 17040), (1136, 16530), (1140, 16472), (1160, 16188), (1349, 13920), (1392, 13490), (1420, 13224), (1520, 12354), (1653, 11360), (1704, 11020), (1740, 10792), (1824, 10295), (2059, 9120), (2130, 8816), (2204, 8520), (2272, 8265), (2280, 8236), (2320, 8094), (2698, 6960), (2755, 6816), (2784, 6745), (2840, 6612), (3040, 6177), (3306, 5680), (3408, 5510), (3480, 5396), (4047, 4640), (4118, 4560), (4260, 4408)]