17820810

素因数分解:

$2^1\times 3^4\times 5^1\times 7^2\times {\mathrm{449}}^1$

素因数の和:482

約数の個数: 120

約数和(自身を含む): 55865700

約数和(自身を除く): 38044890

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 63, 70, 81, 90, 98, 105, 126, 135, 147, 162, 189, 210, 245, 270, 294, 315, 378, 405, 441, 449, 490, 567, 630, 735, 810, 882, 898, 945, 1134, 1323, 1347, 1470, 1890, 2205, 2245, 2646, 2694, 2835, 3143, 3969, 4041, 4410, 4490, 5670, 6286, 6615, 6735, 7938, 8082, 9429, 12123, 13230, 13470, 15715, 18858, 19845, 20205, 22001, 24246, 28287, 31430, 36369, 39690, 40410, 44002, 47145, 56574, 60615, 66003, 72738, 84861, 94290, 110005, 121230, 132006, 141435, 169722, 181845, 198009, 220010, 254583, 282870, 330015, 363690, 396018, 424305, 509166, 594027, 660030, 848610, 990045, 1188054, 1272915, 1782081, 1980090, 2545830, 2970135, 3564162, 5940270, 8910405, 17820810]

約数ペア:

[(1, 17820810), (2, 8910405), (3, 5940270), (5, 3564162), (6, 2970135), (7, 2545830), (9, 1980090), (10, 1782081), (14, 1272915), (15, 1188054), (18, 990045), (21, 848610), (27, 660030), (30, 594027), (35, 509166), (42, 424305), (45, 396018), (49, 363690), (54, 330015), (63, 282870), (70, 254583), (81, 220010), (90, 198009), (98, 181845), (105, 169722), (126, 141435), (135, 132006), (147, 121230), (162, 110005), (189, 94290), (210, 84861), (245, 72738), (270, 66003), (294, 60615), (315, 56574), (378, 47145), (405, 44002), (441, 40410), (449, 39690), (490, 36369), (567, 31430), (630, 28287), (735, 24246), (810, 22001), (882, 20205), (898, 19845), (945, 18858), (1134, 15715), (1323, 13470), (1347, 13230), (1470, 12123), (1890, 9429), (2205, 8082), (2245, 7938), (2646, 6735), (2694, 6615), (2835, 6286), (3143, 5670), (3969, 4490), (4041, 4410)]