64705980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{6869}}^1$

素因数の和:7038

約数の個数: 48

約数和(自身を含む): 182357280

約数和(自身を除く): 117651300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 314, 471, 628, 785, 942, 1570, 1884, 2355, 3140, 4710, 6869, 9420, 13738, 20607, 27476, 34345, 41214, 68690, 82428, 103035, 137380, 206070, 412140, 1078433, 2156866, 3235299, 4313732, 5392165, 6470598, 10784330, 12941196, 16176495, 21568660, 32352990, 64705980]

約数ペア:

[(1, 64705980), (2, 32352990), (3, 21568660), (4, 16176495), (5, 12941196), (6, 10784330), (10, 6470598), (12, 5392165), (15, 4313732), (20, 3235299), (30, 2156866), (60, 1078433), (157, 412140), (314, 206070), (471, 137380), (628, 103035), (785, 82428), (942, 68690), (1570, 41214), (1884, 34345), (2355, 27476), (3140, 20607), (4710, 13738), (6869, 9420)]