78481680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{327007}}^1$

素因数の和:327023

約数の個数: 40

約数和(自身を含む): 243293952

約数和(自身を除く): 164812272

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 327007, 654014, 981021, 1308028, 1635035, 1962042, 2616056, 3270070, 3924084, 4905105, 5232112, 6540140, 7848168, 9810210, 13080280, 15696336, 19620420, 26160560, 39240840, 78481680]

約数ペア:

[(1, 78481680), (2, 39240840), (3, 26160560), (4, 19620420), (5, 15696336), (6, 13080280), (8, 9810210), (10, 7848168), (12, 6540140), (15, 5232112), (16, 4905105), (20, 3924084), (24, 3270070), (30, 2616056), (40, 1962042), (48, 1635035), (60, 1308028), (80, 981021), (120, 654014), (240, 327007)]