61689520

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:362

約数の個数: 80

約数和(自身を含む): 149276160

約数和(自身を除く): 87586640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 79, 80, 86, 158, 172, 215, 227, 316, 344, 395, 430, 454, 632, 688, 790, 860, 908, 1135, 1264, 1580, 1720, 1816, 2270, 3160, 3397, 3440, 3632, 4540, 6320, 6794, 9080, 9761, 13588, 16985, 17933, 18160, 19522, 27176, 33970, 35866, 39044, 48805, 54352, 67940, 71732, 78088, 89665, 97610, 135880, 143464, 156176, 179330, 195220, 271760, 286928, 358660, 390440, 717320, 771119, 780880, 1434640, 1542238, 3084476, 3855595, 6168952, 7711190, 12337904, 15422380, 30844760, 61689520]

約数ペア:

[(1, 61689520), (2, 30844760), (4, 15422380), (5, 12337904), (8, 7711190), (10, 6168952), (16, 3855595), (20, 3084476), (40, 1542238), (43, 1434640), (79, 780880), (80, 771119), (86, 717320), (158, 390440), (172, 358660), (215, 286928), (227, 271760), (316, 195220), (344, 179330), (395, 156176), (430, 143464), (454, 135880), (632, 97610), (688, 89665), (790, 78088), (860, 71732), (908, 67940), (1135, 54352), (1264, 48805), (1580, 39044), (1720, 35866), (1816, 33970), (2270, 27176), (3160, 19522), (3397, 18160), (3440, 17933), (3632, 16985), (4540, 13588), (6320, 9761), (6794, 9080)]