30985621520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{489659}}^1$

素因数の和:489792

約数の個数: 80

約数和(自身を含む): 83062005120

約数和(自身を除く): 52076383600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 113, 140, 226, 280, 452, 560, 565, 791, 904, 1130, 1582, 1808, 2260, 3164, 3955, 4520, 6328, 7910, 9040, 12656, 15820, 31640, 63280, 489659, 979318, 1958636, 2448295, 3427613, 3917272, 4896590, 6855226, 7834544, 9793180, 13710452, 17138065, 19586360, 27420904, 34276130, 39172720, 54841808, 55331467, 68552260, 110662934, 137104520, 221325868, 274209040, 276657335, 387320269, 442651736, 553314670, 774640538, 885303472, 1106629340, 1549281076, 1936601345, 2213258680, 3098562152, 3873202690, 4426517360, 6197124304, 7746405380, 15492810760, 30985621520]

約数ペア:

[(1, 30985621520), (2, 15492810760), (4, 7746405380), (5, 6197124304), (7, 4426517360), (8, 3873202690), (10, 3098562152), (14, 2213258680), (16, 1936601345), (20, 1549281076), (28, 1106629340), (35, 885303472), (40, 774640538), (56, 553314670), (70, 442651736), (80, 387320269), (112, 276657335), (113, 274209040), (140, 221325868), (226, 137104520), (280, 110662934), (452, 68552260), (560, 55331467), (565, 54841808), (791, 39172720), (904, 34276130), (1130, 27420904), (1582, 19586360), (1808, 17138065), (2260, 13710452), (3164, 9793180), (3955, 7834544), (4520, 6855226), (6328, 4896590), (7910, 3917272), (9040, 3427613), (12656, 2448295), (15820, 1958636), (31640, 979318), (63280, 489659)]