161684100

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{19961}}^1$

素因数の和:19987

約数の個数: 90

約数和(自身を含む): 524142234

約数和(自身を除く): 362458134

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 270, 300, 324, 405, 450, 540, 675, 810, 900, 1350, 1620, 2025, 2700, 4050, 8100, 19961, 39922, 59883, 79844, 99805, 119766, 179649, 199610, 239532, 299415, 359298, 399220, 499025, 538947, 598830, 718596, 898245, 998050, 1077894, 1197660, 1497075, 1616841, 1796490, 1996100, 2155788, 2694735, 2994150, 3233682, 3592980, 4491225, 5389470, 5988300, 6467364, 8084205, 8982450, 10778940, 13473675, 16168410, 17964900, 26947350, 32336820, 40421025, 53894700, 80842050, 161684100]

約数ペア:

[(1, 161684100), (2, 80842050), (3, 53894700), (4, 40421025), (5, 32336820), (6, 26947350), (9, 17964900), (10, 16168410), (12, 13473675), (15, 10778940), (18, 8982450), (20, 8084205), (25, 6467364), (27, 5988300), (30, 5389470), (36, 4491225), (45, 3592980), (50, 3233682), (54, 2994150), (60, 2694735), (75, 2155788), (81, 1996100), (90, 1796490), (100, 1616841), (108, 1497075), (135, 1197660), (150, 1077894), (162, 998050), (180, 898245), (225, 718596), (270, 598830), (300, 538947), (324, 499025), (405, 399220), (450, 359298), (540, 299415), (675, 239532), (810, 199610), (900, 179649), (1350, 119766), (1620, 99805), (2025, 79844), (2700, 59883), (4050, 39922), (8100, 19961)]