643761280

素因数分解:

$2^7\times 5^1\times {\mathrm{83}}^1\times {\mathrm{12119}}^1$

素因数の和:12221

約数の個数: 64

約数和(自身を含む): 1557662400

約数和(自身を除く): 913901120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 128, 160, 166, 320, 332, 415, 640, 664, 830, 1328, 1660, 2656, 3320, 5312, 6640, 10624, 12119, 13280, 24238, 26560, 48476, 53120, 60595, 96952, 121190, 193904, 242380, 387808, 484760, 775616, 969520, 1005877, 1551232, 1939040, 2011754, 3878080, 4023508, 5029385, 7756160, 8047016, 10058770, 16094032, 20117540, 32188064, 40235080, 64376128, 80470160, 128752256, 160940320, 321880640, 643761280]

約数ペア:

[(1, 643761280), (2, 321880640), (4, 160940320), (5, 128752256), (8, 80470160), (10, 64376128), (16, 40235080), (20, 32188064), (32, 20117540), (40, 16094032), (64, 10058770), (80, 8047016), (83, 7756160), (128, 5029385), (160, 4023508), (166, 3878080), (320, 2011754), (332, 1939040), (415, 1551232), (640, 1005877), (664, 969520), (830, 775616), (1328, 484760), (1660, 387808), (2656, 242380), (3320, 193904), (5312, 121190), (6640, 96952), (10624, 60595), (12119, 53120), (13280, 48476), (24238, 26560)]