78711120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{109321}}^1$

素因数の和:109340

約数の個数: 60

約数和(自身を含む): 264340596

約数和(自身を除く): 185629476

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, 109321, 218642, 327963, 437284, 546605, 655926, 874568, 983889, 1093210, 1311852, 1639815, 1749136, 1967778, 2186420, 2623704, 3279630, 3935556, 4372840, 4919445, 5247408, 6559260, 7871112, 8745680, 9838890, 13118520, 15742224, 19677780, 26237040, 39355560, 78711120]

約数ペア:

[(1, 78711120), (2, 39355560), (3, 26237040), (4, 19677780), (5, 15742224), (6, 13118520), (8, 9838890), (9, 8745680), (10, 7871112), (12, 6559260), (15, 5247408), (16, 4919445), (18, 4372840), (20, 3935556), (24, 3279630), (30, 2623704), (36, 2186420), (40, 1967778), (45, 1749136), (48, 1639815), (60, 1311852), (72, 1093210), (80, 983889), (90, 874568), (120, 655926), (144, 546605), (180, 437284), (240, 327963), (360, 218642), (720, 109321)]