444720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1$

素因数の和:142

約数の個数: 80

約数和(自身を含む): 1473120

約数和(自身を除く): 1028400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 109, 120, 136, 170, 204, 218, 240, 255, 272, 327, 340, 408, 436, 510, 545, 654, 680, 816, 872, 1020, 1090, 1308, 1360, 1635, 1744, 1853, 2040, 2180, 2616, 3270, 3706, 4080, 4360, 5232, 5559, 6540, 7412, 8720, 9265, 11118, 13080, 14824, 18530, 22236, 26160, 27795, 29648, 37060, 44472, 55590, 74120, 88944, 111180, 148240, 222360, 444720]

約数ペア:

[(1, 444720), (2, 222360), (3, 148240), (4, 111180), (5, 88944), (6, 74120), (8, 55590), (10, 44472), (12, 37060), (15, 29648), (16, 27795), (17, 26160), (20, 22236), (24, 18530), (30, 14824), (34, 13080), (40, 11118), (48, 9265), (51, 8720), (60, 7412), (68, 6540), (80, 5559), (85, 5232), (102, 4360), (109, 4080), (120, 3706), (136, 3270), (170, 2616), (204, 2180), (218, 2040), (240, 1853), (255, 1744), (272, 1635), (327, 1360), (340, 1308), (408, 1090), (436, 1020), (510, 872), (545, 816), (654, 680)]