220127681920

素因数分解:

$2^7\times 5^1\times {\mathrm{1367}}^1\times {\mathrm{251609}}^1$

素因数の和:252995

約数の個数: 64

約数和(自身を含む): 526629794400

約数和(自身を除く): 306502112480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 1367, 2734, 5468, 6835, 10936, 13670, 21872, 27340, 43744, 54680, 87488, 109360, 174976, 218720, 251609, 437440, 503218, 874880, 1006436, 1258045, 2012872, 2516090, 4025744, 5032180, 8051488, 10064360, 16102976, 20128720, 32205952, 40257440, 80514880, 161029760, 343949503, 687899006, 1375798012, 1719747515, 2751596024, 3439495030, 5503192048, 6878990060, 11006384096, 13757980120, 22012768192, 27515960240, 44025536384, 55031920480, 110063840960, 220127681920]

約数ペア:

[(1, 220127681920), (2, 110063840960), (4, 55031920480), (5, 44025536384), (8, 27515960240), (10, 22012768192), (16, 13757980120), (20, 11006384096), (32, 6878990060), (40, 5503192048), (64, 3439495030), (80, 2751596024), (128, 1719747515), (160, 1375798012), (320, 687899006), (640, 343949503), (1367, 161029760), (2734, 80514880), (5468, 40257440), (6835, 32205952), (10936, 20128720), (13670, 16102976), (21872, 10064360), (27340, 8051488), (43744, 5032180), (54680, 4025744), (87488, 2516090), (109360, 2012872), (174976, 1258045), (218720, 1006436), (251609, 874880), (437440, 503218)]