38181420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4933}}^1$

素因数の和:4991

約数の個数: 72

約数和(自身を含む): 118534416

約数和(自身を除く): 80352996

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 4933, 7740, 9866, 14799, 19732, 24665, 29598, 44397, 49330, 59196, 73995, 88794, 98660, 147990, 177588, 212119, 221985, 295980, 424238, 443970, 636357, 848476, 887940, 1060595, 1272714, 1909071, 2121190, 2545428, 3181785, 3818142, 4242380, 6363570, 7636284, 9545355, 12727140, 19090710, 38181420]

約数ペア:

[(1, 38181420), (2, 19090710), (3, 12727140), (4, 9545355), (5, 7636284), (6, 6363570), (9, 4242380), (10, 3818142), (12, 3181785), (15, 2545428), (18, 2121190), (20, 1909071), (30, 1272714), (36, 1060595), (43, 887940), (45, 848476), (60, 636357), (86, 443970), (90, 424238), (129, 295980), (172, 221985), (180, 212119), (215, 177588), (258, 147990), (387, 98660), (430, 88794), (516, 73995), (645, 59196), (774, 49330), (860, 44397), (1290, 29598), (1548, 24665), (1935, 19732), (2580, 14799), (3870, 9866), (4933, 7740)]