68504520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{81553}}^1$

素因数の和:81574

約数の個数: 64

約数和(自身を含む): 234875520

約数和(自身を除く): 166371000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 81553, 163106, 244659, 326212, 407765, 489318, 570871, 652424, 815530, 978636, 1141742, 1223295, 1631060, 1712613, 1957272, 2283484, 2446590, 2854355, 3262120, 3425226, 4566968, 4893180, 5708710, 6850452, 8563065, 9786360, 11417420, 13700904, 17126130, 22834840, 34252260, 68504520]

約数ペア:

[(1, 68504520), (2, 34252260), (3, 22834840), (4, 17126130), (5, 13700904), (6, 11417420), (7, 9786360), (8, 8563065), (10, 6850452), (12, 5708710), (14, 4893180), (15, 4566968), (20, 3425226), (21, 3262120), (24, 2854355), (28, 2446590), (30, 2283484), (35, 1957272), (40, 1712613), (42, 1631060), (56, 1223295), (60, 1141742), (70, 978636), (84, 815530), (105, 652424), (120, 570871), (140, 489318), (168, 407765), (210, 326212), (280, 244659), (420, 163106), (840, 81553)]