81684450

素因数分解:

$2^1\times 3^9\times 5^2\times {\mathrm{83}}^1$

素因数の和:122

約数の個数: 120

約数和(自身を含む): 230641488

約数和(自身を除く): 148957038

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 81, 83, 90, 135, 150, 162, 166, 225, 243, 249, 270, 405, 415, 450, 486, 498, 675, 729, 747, 810, 830, 1215, 1245, 1350, 1458, 1494, 2025, 2075, 2187, 2241, 2430, 2490, 3645, 3735, 4050, 4150, 4374, 4482, 6075, 6225, 6561, 6723, 7290, 7470, 10935, 11205, 12150, 12450, 13122, 13446, 18225, 18675, 19683, 20169, 21870, 22410, 32805, 33615, 36450, 37350, 39366, 40338, 54675, 56025, 60507, 65610, 67230, 98415, 100845, 109350, 112050, 121014, 164025, 168075, 181521, 196830, 201690, 302535, 328050, 336150, 363042, 492075, 504225, 544563, 605070, 907605, 984150, 1008450, 1089126, 1512675, 1633689, 1815210, 2722815, 3025350, 3267378, 4538025, 5445630, 8168445, 9076050, 13614075, 16336890, 27228150, 40842225, 81684450]

約数ペア:

[(1, 81684450), (2, 40842225), (3, 27228150), (5, 16336890), (6, 13614075), (9, 9076050), (10, 8168445), (15, 5445630), (18, 4538025), (25, 3267378), (27, 3025350), (30, 2722815), (45, 1815210), (50, 1633689), (54, 1512675), (75, 1089126), (81, 1008450), (83, 984150), (90, 907605), (135, 605070), (150, 544563), (162, 504225), (166, 492075), (225, 363042), (243, 336150), (249, 328050), (270, 302535), (405, 201690), (415, 196830), (450, 181521), (486, 168075), (498, 164025), (675, 121014), (729, 112050), (747, 109350), (810, 100845), (830, 98415), (1215, 67230), (1245, 65610), (1350, 60507), (1458, 56025), (1494, 54675), (2025, 40338), (2075, 39366), (2187, 37350), (2241, 36450), (2430, 33615), (2490, 32805), (3645, 22410), (3735, 21870), (4050, 20169), (4150, 19683), (4374, 18675), (4482, 18225), (6075, 13446), (6225, 13122), (6561, 12450), (6723, 12150), (7290, 11205), (7470, 10935)]