90505520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{5573}}^1$

素因数の和:5622

約数の個数: 80

約数和(自身を含む): 248823360

約数和(自身を除く): 158317840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 203, 232, 280, 290, 406, 464, 560, 580, 812, 1015, 1160, 1624, 2030, 2320, 3248, 4060, 5573, 8120, 11146, 16240, 22292, 27865, 39011, 44584, 55730, 78022, 89168, 111460, 156044, 161617, 195055, 222920, 312088, 323234, 390110, 445840, 624176, 646468, 780220, 808085, 1131319, 1292936, 1560440, 1616170, 2262638, 2585872, 3120880, 3232340, 4525276, 5656595, 6464680, 9050552, 11313190, 12929360, 18101104, 22626380, 45252760, 90505520]

約数ペア:

[(1, 90505520), (2, 45252760), (4, 22626380), (5, 18101104), (7, 12929360), (8, 11313190), (10, 9050552), (14, 6464680), (16, 5656595), (20, 4525276), (28, 3232340), (29, 3120880), (35, 2585872), (40, 2262638), (56, 1616170), (58, 1560440), (70, 1292936), (80, 1131319), (112, 808085), (116, 780220), (140, 646468), (145, 624176), (203, 445840), (232, 390110), (280, 323234), (290, 312088), (406, 222920), (464, 195055), (560, 161617), (580, 156044), (812, 111460), (1015, 89168), (1160, 78022), (1624, 55730), (2030, 44584), (2320, 39011), (3248, 27865), (4060, 22292), (5573, 16240), (8120, 11146)]