63216860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{251}}^1\times {\mathrm{257}}^1$

素因数の和:531

約数の個数: 72

約数和(自身を含む): 155648304

約数和(自身を除く): 92431444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 251, 257, 490, 502, 514, 980, 1004, 1028, 1255, 1285, 1757, 1799, 2510, 2570, 3514, 3598, 5020, 5140, 7028, 7196, 8785, 8995, 12299, 12593, 17570, 17990, 24598, 25186, 35140, 35980, 49196, 50372, 61495, 62965, 64507, 122990, 125930, 129014, 245980, 251860, 258028, 322535, 451549, 645070, 903098, 1290140, 1806196, 2257745, 3160843, 4515490, 6321686, 9030980, 12643372, 15804215, 31608430, 63216860]

約数ペア:

[(1, 63216860), (2, 31608430), (4, 15804215), (5, 12643372), (7, 9030980), (10, 6321686), (14, 4515490), (20, 3160843), (28, 2257745), (35, 1806196), (49, 1290140), (70, 903098), (98, 645070), (140, 451549), (196, 322535), (245, 258028), (251, 251860), (257, 245980), (490, 129014), (502, 125930), (514, 122990), (980, 64507), (1004, 62965), (1028, 61495), (1255, 50372), (1285, 49196), (1757, 35980), (1799, 35140), (2510, 25186), (2570, 24598), (3514, 17990), (3598, 17570), (5020, 12593), (5140, 12299), (7028, 8995), (7196, 8785)]