77717520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{107941}}^1$

素因数の和:107960

約数の個数: 60

約数和(自身を含む): 261003756

約数和(自身を除く): 183286236

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 107941, 215882, 323823, 431764, 539705, 647646, 863528, 971469, 1079410, 1295292, 1619115, 1727056, 1942938, 2158820, 2590584, 3238230, 3885876, 4317640, 4857345, 5181168, 6476460, 7771752, 8635280, 9714690, 12952920, 15543504, 19429380, 25905840, 38858760, 77717520]

約数ペア:

[(1, 77717520), (2, 38858760), (3, 25905840), (4, 19429380), (5, 15543504), (6, 12952920), (8, 9714690), (9, 8635280), (10, 7771752), (12, 6476460), (15, 5181168), (16, 4857345), (18, 4317640), (20, 3885876), (24, 3238230), (30, 2590584), (36, 2158820), (40, 1942938), (45, 1727056), (48, 1619115), (60, 1295292), (72, 1079410), (80, 971469), (90, 863528), (120, 647646), (144, 539705), (180, 431764), (240, 323823), (360, 215882), (720, 107941)]