201580020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{2551}}^1$

素因数の和:3005

約数の個数: 72

約数和(自身を含む): 613092480

約数和(自身を除く): 411512460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 439, 878, 1317, 1756, 2195, 2551, 2634, 3951, 4390, 5102, 5268, 6585, 7653, 7902, 8780, 10204, 12755, 13170, 15306, 15804, 19755, 22959, 25510, 26340, 30612, 38265, 39510, 45918, 51020, 76530, 79020, 91836, 114795, 153060, 229590, 459180, 1119889, 2239778, 3359667, 4479556, 5599445, 6719334, 10079001, 11198890, 13438668, 16798335, 20158002, 22397780, 33596670, 40316004, 50395005, 67193340, 100790010, 201580020]

約数ペア:

[(1, 201580020), (2, 100790010), (3, 67193340), (4, 50395005), (5, 40316004), (6, 33596670), (9, 22397780), (10, 20158002), (12, 16798335), (15, 13438668), (18, 11198890), (20, 10079001), (30, 6719334), (36, 5599445), (45, 4479556), (60, 3359667), (90, 2239778), (180, 1119889), (439, 459180), (878, 229590), (1317, 153060), (1756, 114795), (2195, 91836), (2551, 79020), (2634, 76530), (3951, 51020), (4390, 45918), (5102, 39510), (5268, 38265), (6585, 30612), (7653, 26340), (7902, 25510), (8780, 22959), (10204, 19755), (12755, 15804), (13170, 15306)]