80963550

素因数分解:

$2^1\times 3^4\times 5^2\times {\mathrm{19991}}^1$

素因数の和:20015

約数の個数: 60

約数和(自身を含む): 224969976

約数和(自身を除く): 144006426

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 81, 90, 135, 150, 162, 225, 270, 405, 450, 675, 810, 1350, 2025, 4050, 19991, 39982, 59973, 99955, 119946, 179919, 199910, 299865, 359838, 499775, 539757, 599730, 899595, 999550, 1079514, 1499325, 1619271, 1799190, 2698785, 2998650, 3238542, 4497975, 5397570, 8096355, 8995950, 13493925, 16192710, 26987850, 40481775, 80963550]

約数ペア:

[(1, 80963550), (2, 40481775), (3, 26987850), (5, 16192710), (6, 13493925), (9, 8995950), (10, 8096355), (15, 5397570), (18, 4497975), (25, 3238542), (27, 2998650), (30, 2698785), (45, 1799190), (50, 1619271), (54, 1499325), (75, 1079514), (81, 999550), (90, 899595), (135, 599730), (150, 539757), (162, 499775), (225, 359838), (270, 299865), (405, 199910), (450, 179919), (675, 119946), (810, 99955), (1350, 59973), (2025, 39982), (4050, 19991)]