127740320

素因数分解:

$2^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{9619}}^1$

素因数の和:9717

約数の個数: 48

約数和(自身を含む): 305454240

約数和(自身を除く): 177713920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 83, 160, 166, 332, 415, 664, 830, 1328, 1660, 2656, 3320, 6640, 9619, 13280, 19238, 38476, 48095, 76952, 96190, 153904, 192380, 307808, 384760, 769520, 798377, 1539040, 1596754, 3193508, 3991885, 6387016, 7983770, 12774032, 15967540, 25548064, 31935080, 63870160, 127740320]

約数ペア:

[(1, 127740320), (2, 63870160), (4, 31935080), (5, 25548064), (8, 15967540), (10, 12774032), (16, 7983770), (20, 6387016), (32, 3991885), (40, 3193508), (80, 1596754), (83, 1539040), (160, 798377), (166, 769520), (332, 384760), (415, 307808), (664, 192380), (830, 153904), (1328, 96190), (1660, 76952), (2656, 48095), (3320, 38476), (6640, 19238), (9619, 13280)]