82758420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{2179}}^1$

素因数の和:2405

約数の個数: 72

約数和(自身を含む): 252339360

約数和(自身を除く): 169580940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 211, 422, 633, 844, 1055, 1266, 1899, 2110, 2179, 2532, 3165, 3798, 4220, 4358, 6330, 6537, 7596, 8716, 9495, 10895, 12660, 13074, 18990, 19611, 21790, 26148, 32685, 37980, 39222, 43580, 65370, 78444, 98055, 130740, 196110, 392220, 459769, 919538, 1379307, 1839076, 2298845, 2758614, 4137921, 4597690, 5517228, 6896535, 8275842, 9195380, 13793070, 16551684, 20689605, 27586140, 41379210, 82758420]

約数ペア:

[(1, 82758420), (2, 41379210), (3, 27586140), (4, 20689605), (5, 16551684), (6, 13793070), (9, 9195380), (10, 8275842), (12, 6896535), (15, 5517228), (18, 4597690), (20, 4137921), (30, 2758614), (36, 2298845), (45, 1839076), (60, 1379307), (90, 919538), (180, 459769), (211, 392220), (422, 196110), (633, 130740), (844, 98055), (1055, 78444), (1266, 65370), (1899, 43580), (2110, 39222), (2179, 37980), (2532, 32685), (3165, 26148), (3798, 21790), (4220, 19611), (4358, 18990), (6330, 13074), (6537, 12660), (7596, 10895), (8716, 9495)]