19703520

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{4561}}^1$

素因数の和:4585

約数の個数: 96

約数和(自身を含む): 68977440

約数和(自身を除く): 49273920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 270, 288, 360, 432, 480, 540, 720, 864, 1080, 1440, 2160, 4320, 4561, 9122, 13683, 18244, 22805, 27366, 36488, 41049, 45610, 54732, 68415, 72976, 82098, 91220, 109464, 123147, 136830, 145952, 164196, 182440, 205245, 218928, 246294, 273660, 328392, 364880, 410490, 437856, 492588, 547320, 615735, 656784, 729760, 820980, 985176, 1094640, 1231470, 1313568, 1641960, 1970352, 2189280, 2462940, 3283920, 3940704, 4925880, 6567840, 9851760, 19703520]

約数ペア:

[(1, 19703520), (2, 9851760), (3, 6567840), (4, 4925880), (5, 3940704), (6, 3283920), (8, 2462940), (9, 2189280), (10, 1970352), (12, 1641960), (15, 1313568), (16, 1231470), (18, 1094640), (20, 985176), (24, 820980), (27, 729760), (30, 656784), (32, 615735), (36, 547320), (40, 492588), (45, 437856), (48, 410490), (54, 364880), (60, 328392), (72, 273660), (80, 246294), (90, 218928), (96, 205245), (108, 182440), (120, 164196), (135, 145952), (144, 136830), (160, 123147), (180, 109464), (216, 91220), (240, 82098), (270, 72976), (288, 68415), (360, 54732), (432, 45610), (480, 41049), (540, 36488), (720, 27366), (864, 22805), (1080, 18244), (1440, 13683), (2160, 9122), (4320, 4561)]