28157040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{39107}}^1$

素因数の和:39126

約数の個数: 60

約数和(自身を含む): 94563144

約数和(自身を除く): 66406104

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 39107, 78214, 117321, 156428, 195535, 234642, 312856, 351963, 391070, 469284, 586605, 625712, 703926, 782140, 938568, 1173210, 1407852, 1564280, 1759815, 1877136, 2346420, 2815704, 3128560, 3519630, 4692840, 5631408, 7039260, 9385680, 14078520, 28157040]

約数ペア:

[(1, 28157040), (2, 14078520), (3, 9385680), (4, 7039260), (5, 5631408), (6, 4692840), (8, 3519630), (9, 3128560), (10, 2815704), (12, 2346420), (15, 1877136), (16, 1759815), (18, 1564280), (20, 1407852), (24, 1173210), (30, 938568), (36, 782140), (40, 703926), (45, 625712), (48, 586605), (60, 469284), (72, 391070), (80, 351963), (90, 312856), (120, 234642), (144, 195535), (180, 156428), (240, 117321), (360, 78214), (720, 39107)]