980892160

素因数分解:

$2^9\times 5^1\times {\mathrm{619}}^2$

素因数の和:1261

約数の個数: 60

約数和(自身を含む): 2355647778

約数和(自身を除く): 1374755618

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 619, 640, 1238, 1280, 2476, 2560, 3095, 4952, 6190, 9904, 12380, 19808, 24760, 39616, 49520, 79232, 99040, 158464, 198080, 316928, 383161, 396160, 766322, 792320, 1532644, 1584640, 1915805, 3065288, 3831610, 6130576, 7663220, 12261152, 15326440, 24522304, 30652880, 49044608, 61305760, 98089216, 122611520, 196178432, 245223040, 490446080, 980892160]

約数ペア:

[(1, 980892160), (2, 490446080), (4, 245223040), (5, 196178432), (8, 122611520), (10, 98089216), (16, 61305760), (20, 49044608), (32, 30652880), (40, 24522304), (64, 15326440), (80, 12261152), (128, 7663220), (160, 6130576), (256, 3831610), (320, 3065288), (512, 1915805), (619, 1584640), (640, 1532644), (1238, 792320), (1280, 766322), (2476, 396160), (2560, 383161), (3095, 316928), (4952, 198080), (6190, 158464), (9904, 99040), (12380, 79232), (19808, 49520), (24760, 39616)]