247190220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{8747}}^1$

素因数の和:8919

約数の個数: 72

約数和(自身を含む): 754672464

約数和(自身を除く): 507482244

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 157, 180, 314, 471, 628, 785, 942, 1413, 1570, 1884, 2355, 2826, 3140, 4710, 5652, 7065, 8747, 9420, 14130, 17494, 26241, 28260, 34988, 43735, 52482, 78723, 87470, 104964, 131205, 157446, 174940, 262410, 314892, 393615, 524820, 787230, 1373279, 1574460, 2746558, 4119837, 5493116, 6866395, 8239674, 12359511, 13732790, 16479348, 20599185, 24719022, 27465580, 41198370, 49438044, 61797555, 82396740, 123595110, 247190220]

約数ペア:

[(1, 247190220), (2, 123595110), (3, 82396740), (4, 61797555), (5, 49438044), (6, 41198370), (9, 27465580), (10, 24719022), (12, 20599185), (15, 16479348), (18, 13732790), (20, 12359511), (30, 8239674), (36, 6866395), (45, 5493116), (60, 4119837), (90, 2746558), (157, 1574460), (180, 1373279), (314, 787230), (471, 524820), (628, 393615), (785, 314892), (942, 262410), (1413, 174940), (1570, 157446), (1884, 131205), (2355, 104964), (2826, 87470), (3140, 78723), (4710, 52482), (5652, 43735), (7065, 34988), (8747, 28260), (9420, 26241), (14130, 17494)]