81450480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{4649}}^1$

素因数の和:4738

約数の個数: 80

約数和(自身を含む): 256010400

約数和(自身を除く): 174559920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 73, 80, 120, 146, 219, 240, 292, 365, 438, 584, 730, 876, 1095, 1168, 1460, 1752, 2190, 2920, 3504, 4380, 4649, 5840, 8760, 9298, 13947, 17520, 18596, 23245, 27894, 37192, 46490, 55788, 69735, 74384, 92980, 111576, 139470, 185960, 223152, 278940, 339377, 371920, 557880, 678754, 1018131, 1115760, 1357508, 1696885, 2036262, 2715016, 3393770, 4072524, 5090655, 5430032, 6787540, 8145048, 10181310, 13575080, 16290096, 20362620, 27150160, 40725240, 81450480]

約数ペア:

[(1, 81450480), (2, 40725240), (3, 27150160), (4, 20362620), (5, 16290096), (6, 13575080), (8, 10181310), (10, 8145048), (12, 6787540), (15, 5430032), (16, 5090655), (20, 4072524), (24, 3393770), (30, 2715016), (40, 2036262), (48, 1696885), (60, 1357508), (73, 1115760), (80, 1018131), (120, 678754), (146, 557880), (219, 371920), (240, 339377), (292, 278940), (365, 223152), (438, 185960), (584, 139470), (730, 111576), (876, 92980), (1095, 74384), (1168, 69735), (1460, 55788), (1752, 46490), (2190, 37192), (2920, 27894), (3504, 23245), (4380, 18596), (4649, 17520), (5840, 13947), (8760, 9298)]