221040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{307}}^1$

素因数の和:326

約数の個数: 60

約数和(自身を含む): 744744

約数和(自身を除く): 523704

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, 307, 360, 614, 720, 921, 1228, 1535, 1842, 2456, 2763, 3070, 3684, 4605, 4912, 5526, 6140, 7368, 9210, 11052, 12280, 13815, 14736, 18420, 22104, 24560, 27630, 36840, 44208, 55260, 73680, 110520, 221040]

約数ペア:

[(1, 221040), (2, 110520), (3, 73680), (4, 55260), (5, 44208), (6, 36840), (8, 27630), (9, 24560), (10, 22104), (12, 18420), (15, 14736), (16, 13815), (18, 12280), (20, 11052), (24, 9210), (30, 7368), (36, 6140), (40, 5526), (45, 4912), (48, 4605), (60, 3684), (72, 3070), (80, 2763), (90, 2456), (120, 1842), (144, 1535), (180, 1228), (240, 921), (307, 720), (360, 614)]