217408680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{603913}}^1$

素因数の和:603930

約数の個数: 48

約数和(自身を含む): 706579380

約数和(自身を除く): 489170700

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 603913, 1207826, 1811739, 2415652, 3019565, 3623478, 4831304, 5435217, 6039130, 7246956, 9058695, 10870434, 12078260, 14493912, 18117390, 21740868, 24156520, 27176085, 36234780, 43481736, 54352170, 72469560, 108704340, 217408680]

約数ペア:

[(1, 217408680), (2, 108704340), (3, 72469560), (4, 54352170), (5, 43481736), (6, 36234780), (8, 27176085), (9, 24156520), (10, 21740868), (12, 18117390), (15, 14493912), (18, 12078260), (20, 10870434), (24, 9058695), (30, 7246956), (36, 6039130), (40, 5435217), (45, 4831304), (60, 3623478), (72, 3019565), (90, 2415652), (120, 1811739), (180, 1207826), (360, 603913)]