18308880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{431}}^1$

素因数の和:509

約数の個数: 120

約数和(自身を含む): 62674560

約数和(自身を除く): 44365680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 59, 60, 72, 80, 90, 118, 120, 144, 177, 180, 236, 240, 295, 354, 360, 431, 472, 531, 590, 708, 720, 862, 885, 944, 1062, 1180, 1293, 1416, 1724, 1770, 2124, 2155, 2360, 2586, 2655, 2832, 3448, 3540, 3879, 4248, 4310, 4720, 5172, 5310, 6465, 6896, 7080, 7758, 8496, 8620, 10344, 10620, 12930, 14160, 15516, 17240, 19395, 20688, 21240, 25429, 25860, 31032, 34480, 38790, 42480, 50858, 51720, 62064, 76287, 77580, 101716, 103440, 127145, 152574, 155160, 203432, 228861, 254290, 305148, 310320, 381435, 406864, 457722, 508580, 610296, 762870, 915444, 1017160, 1144305, 1220592, 1525740, 1830888, 2034320, 2288610, 3051480, 3661776, 4577220, 6102960, 9154440, 18308880]

約数ペア:

[(1, 18308880), (2, 9154440), (3, 6102960), (4, 4577220), (5, 3661776), (6, 3051480), (8, 2288610), (9, 2034320), (10, 1830888), (12, 1525740), (15, 1220592), (16, 1144305), (18, 1017160), (20, 915444), (24, 762870), (30, 610296), (36, 508580), (40, 457722), (45, 406864), (48, 381435), (59, 310320), (60, 305148), (72, 254290), (80, 228861), (90, 203432), (118, 155160), (120, 152574), (144, 127145), (177, 103440), (180, 101716), (236, 77580), (240, 76287), (295, 62064), (354, 51720), (360, 50858), (431, 42480), (472, 38790), (531, 34480), (590, 31032), (708, 25860), (720, 25429), (862, 21240), (885, 20688), (944, 19395), (1062, 17240), (1180, 15516), (1293, 14160), (1416, 12930), (1724, 10620), (1770, 10344), (2124, 8620), (2155, 8496), (2360, 7758), (2586, 7080), (2655, 6896), (2832, 6465), (3448, 5310), (3540, 5172), (3879, 4720), (4248, 4310)]