78337620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:286

約数の個数: 144

約数和(自身を含む): 249500160

約数和(自身を除く): 171162540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 101, 124, 139, 155, 180, 186, 202, 278, 279, 303, 310, 372, 404, 417, 465, 505, 556, 558, 606, 620, 695, 834, 909, 930, 1010, 1116, 1212, 1251, 1390, 1395, 1515, 1668, 1818, 1860, 2020, 2085, 2502, 2780, 2790, 3030, 3131, 3636, 4170, 4309, 4545, 5004, 5580, 6060, 6255, 6262, 8340, 8618, 9090, 9393, 12510, 12524, 12927, 14039, 15655, 17236, 18180, 18786, 21545, 25020, 25854, 28078, 28179, 31310, 37572, 38781, 42117, 43090, 46965, 51708, 56156, 56358, 62620, 64635, 70195, 77562, 84234, 86180, 93930, 112716, 126351, 129270, 140390, 140895, 155124, 168468, 187860, 193905, 210585, 252702, 258540, 280780, 281790, 387810, 421170, 435209, 505404, 563580, 631755, 775620, 842340, 870418, 1263510, 1305627, 1740836, 2176045, 2527020, 2611254, 3916881, 4352090, 5222508, 6528135, 7833762, 8704180, 13056270, 15667524, 19584405, 26112540, 39168810, 78337620]

約数ペア:

[(1, 78337620), (2, 39168810), (3, 26112540), (4, 19584405), (5, 15667524), (6, 13056270), (9, 8704180), (10, 7833762), (12, 6528135), (15, 5222508), (18, 4352090), (20, 3916881), (30, 2611254), (31, 2527020), (36, 2176045), (45, 1740836), (60, 1305627), (62, 1263510), (90, 870418), (93, 842340), (101, 775620), (124, 631755), (139, 563580), (155, 505404), (180, 435209), (186, 421170), (202, 387810), (278, 281790), (279, 280780), (303, 258540), (310, 252702), (372, 210585), (404, 193905), (417, 187860), (465, 168468), (505, 155124), (556, 140895), (558, 140390), (606, 129270), (620, 126351), (695, 112716), (834, 93930), (909, 86180), (930, 84234), (1010, 77562), (1116, 70195), (1212, 64635), (1251, 62620), (1390, 56358), (1395, 56156), (1515, 51708), (1668, 46965), (1818, 43090), (1860, 42117), (2020, 38781), (2085, 37572), (2502, 31310), (2780, 28179), (2790, 28078), (3030, 25854), (3131, 25020), (3636, 21545), (4170, 18786), (4309, 18180), (4545, 17236), (5004, 15655), (5580, 14039), (6060, 12927), (6255, 12524), (6262, 12510), (8340, 9393), (8618, 9090)]