61571270

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:261

約数の個数: 48

約数和(自身を含む): 117968400

約数和(自身を除く): 56397130

約数列:

[1, 2, 5, 10, 31, 43, 62, 86, 149, 155, 215, 298, 310, 430, 745, 961, 1333, 1490, 1922, 2666, 4619, 4805, 6407, 6665, 9238, 9610, 12814, 13330, 23095, 32035, 41323, 46190, 64070, 82646, 143189, 198617, 206615, 286378, 397234, 413230, 715945, 993085, 1431890, 1986170, 6157127, 12314254, 30785635, 61571270]

約数ペア:

[(1, 61571270), (2, 30785635), (5, 12314254), (10, 6157127), (31, 1986170), (43, 1431890), (62, 993085), (86, 715945), (149, 413230), (155, 397234), (215, 286378), (298, 206615), (310, 198617), (430, 143189), (745, 82646), (961, 64070), (1333, 46190), (1490, 41323), (1922, 32035), (2666, 23095), (4619, 13330), (4805, 12814), (6407, 9610), (6665, 9238)]