82181640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:287

約数の個数: 128

約数和(自身を含む): 255340800

約数和(自身を除く): 173159160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 103, 109, 120, 122, 183, 206, 218, 244, 305, 309, 327, 366, 412, 436, 488, 515, 545, 610, 618, 654, 732, 824, 872, 915, 1030, 1090, 1220, 1236, 1308, 1464, 1545, 1635, 1830, 2060, 2180, 2440, 2472, 2616, 3090, 3270, 3660, 4120, 4360, 6180, 6283, 6540, 6649, 7320, 11227, 12360, 12566, 13080, 13298, 18849, 19947, 22454, 25132, 26596, 31415, 33245, 33681, 37698, 39894, 44908, 50264, 53192, 56135, 62830, 66490, 67362, 75396, 79788, 89816, 94245, 99735, 112270, 125660, 132980, 134724, 150792, 159576, 168405, 188490, 199470, 224540, 251320, 265960, 269448, 336810, 376980, 398940, 449080, 673620, 684847, 753960, 797880, 1347240, 1369694, 2054541, 2739388, 3424235, 4109082, 5478776, 6848470, 8218164, 10272705, 13696940, 16436328, 20545410, 27393880, 41090820, 82181640]

約数ペア:

[(1, 82181640), (2, 41090820), (3, 27393880), (4, 20545410), (5, 16436328), (6, 13696940), (8, 10272705), (10, 8218164), (12, 6848470), (15, 5478776), (20, 4109082), (24, 3424235), (30, 2739388), (40, 2054541), (60, 1369694), (61, 1347240), (103, 797880), (109, 753960), (120, 684847), (122, 673620), (183, 449080), (206, 398940), (218, 376980), (244, 336810), (305, 269448), (309, 265960), (327, 251320), (366, 224540), (412, 199470), (436, 188490), (488, 168405), (515, 159576), (545, 150792), (610, 134724), (618, 132980), (654, 125660), (732, 112270), (824, 99735), (872, 94245), (915, 89816), (1030, 79788), (1090, 75396), (1220, 67362), (1236, 66490), (1308, 62830), (1464, 56135), (1545, 53192), (1635, 50264), (1830, 44908), (2060, 39894), (2180, 37698), (2440, 33681), (2472, 33245), (2616, 31415), (3090, 26596), (3270, 25132), (3660, 22454), (4120, 19947), (4360, 18849), (6180, 13298), (6283, 13080), (6540, 12566), (6649, 12360), (7320, 11227)]