164402640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{228337}}^1$

素因数の和:228356

約数の個数: 60

約数和(自身を含む): 552121284

約数和(自身を除く): 387718644

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, 228337, 456674, 685011, 913348, 1141685, 1370022, 1826696, 2055033, 2283370, 2740044, 3425055, 3653392, 4110066, 4566740, 5480088, 6850110, 8220132, 9133480, 10275165, 10960176, 13700220, 16440264, 18266960, 20550330, 27400440, 32880528, 41100660, 54800880, 82201320, 164402640]

約数ペア:

[(1, 164402640), (2, 82201320), (3, 54800880), (4, 41100660), (5, 32880528), (6, 27400440), (8, 20550330), (9, 18266960), (10, 16440264), (12, 13700220), (15, 10960176), (16, 10275165), (18, 9133480), (20, 8220132), (24, 6850110), (30, 5480088), (36, 4566740), (40, 4110066), (45, 3653392), (48, 3425055), (60, 2740044), (72, 2283370), (80, 2055033), (90, 1826696), (120, 1370022), (144, 1141685), (180, 913348), (240, 685011), (360, 456674), (720, 228337)]