65998980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{8527}}^1$

素因数の和:8585

約数の個数: 72

約数和(自身を含む): 204876672

約数和(自身を除く): 138877692

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, 7740, 8527, 17054, 25581, 34108, 42635, 51162, 76743, 85270, 102324, 127905, 153486, 170540, 255810, 306972, 366661, 383715, 511620, 733322, 767430, 1099983, 1466644, 1534860, 1833305, 2199966, 3299949, 3666610, 4399932, 5499915, 6599898, 7333220, 10999830, 13199796, 16499745, 21999660, 32999490, 65998980]

約数ペア:

[(1, 65998980), (2, 32999490), (3, 21999660), (4, 16499745), (5, 13199796), (6, 10999830), (9, 7333220), (10, 6599898), (12, 5499915), (15, 4399932), (18, 3666610), (20, 3299949), (30, 2199966), (36, 1833305), (43, 1534860), (45, 1466644), (60, 1099983), (86, 767430), (90, 733322), (129, 511620), (172, 383715), (180, 366661), (215, 306972), (258, 255810), (387, 170540), (430, 153486), (516, 127905), (645, 102324), (774, 85270), (860, 76743), (1290, 51162), (1548, 42635), (1935, 34108), (2580, 25581), (3870, 17054), (7740, 8527)]