1631788020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{477131}}^1$

素因数の和:477165

約数の個数: 72

約数和(自身を含む): 5210281440

約数和(自身を除く): 3578493420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 477131, 954262, 1431393, 1908524, 2385655, 2862786, 4294179, 4771310, 5725572, 7156965, 8588358, 9065489, 9542620, 14313930, 17176716, 18130978, 21470895, 27196467, 28627860, 36261956, 42941790, 45327445, 54392934, 81589401, 85883580, 90654890, 108785868, 135982335, 163178802, 181309780, 271964670, 326357604, 407947005, 543929340, 815894010, 1631788020]

約数ペア:

[(1, 1631788020), (2, 815894010), (3, 543929340), (4, 407947005), (5, 326357604), (6, 271964670), (9, 181309780), (10, 163178802), (12, 135982335), (15, 108785868), (18, 90654890), (19, 85883580), (20, 81589401), (30, 54392934), (36, 45327445), (38, 42941790), (45, 36261956), (57, 28627860), (60, 27196467), (76, 21470895), (90, 18130978), (95, 17176716), (114, 14313930), (171, 9542620), (180, 9065489), (190, 8588358), (228, 7156965), (285, 5725572), (342, 4771310), (380, 4294179), (570, 2862786), (684, 2385655), (855, 1908524), (1140, 1431393), (1710, 954262), (3420, 477131)]