245511420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{4831}}^1$

素因数の和:4872

約数の個数: 144

約数和(自身を含む): 863729664

約数和(自身を除く): 618218244

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 121, 132, 140, 154, 165, 210, 220, 231, 242, 308, 330, 363, 385, 420, 462, 484, 605, 660, 726, 770, 847, 924, 1155, 1210, 1452, 1540, 1694, 1815, 2310, 2420, 2541, 3388, 3630, 4235, 4620, 4831, 5082, 7260, 8470, 9662, 10164, 12705, 14493, 16940, 19324, 24155, 25410, 28986, 33817, 48310, 50820, 53141, 57972, 67634, 72465, 96620, 101451, 106282, 135268, 144930, 159423, 169085, 202902, 212564, 265705, 289860, 318846, 338170, 371987, 405804, 507255, 531410, 584551, 637692, 676340, 743974, 797115, 1014510, 1062820, 1115961, 1169102, 1487948, 1594230, 1753653, 1859935, 2029020, 2231922, 2338204, 2922755, 3188460, 3507306, 3719870, 4091857, 4463844, 5579805, 5845510, 7014612, 7439740, 8183714, 8768265, 11159610, 11691020, 12275571, 16367428, 17536530, 20459285, 22319220, 24551142, 35073060, 40918570, 49102284, 61377855, 81837140, 122755710, 245511420]

約数ペア:

[(1, 245511420), (2, 122755710), (3, 81837140), (4, 61377855), (5, 49102284), (6, 40918570), (7, 35073060), (10, 24551142), (11, 22319220), (12, 20459285), (14, 17536530), (15, 16367428), (20, 12275571), (21, 11691020), (22, 11159610), (28, 8768265), (30, 8183714), (33, 7439740), (35, 7014612), (42, 5845510), (44, 5579805), (55, 4463844), (60, 4091857), (66, 3719870), (70, 3507306), (77, 3188460), (84, 2922755), (105, 2338204), (110, 2231922), (121, 2029020), (132, 1859935), (140, 1753653), (154, 1594230), (165, 1487948), (210, 1169102), (220, 1115961), (231, 1062820), (242, 1014510), (308, 797115), (330, 743974), (363, 676340), (385, 637692), (420, 584551), (462, 531410), (484, 507255), (605, 405804), (660, 371987), (726, 338170), (770, 318846), (847, 289860), (924, 265705), (1155, 212564), (1210, 202902), (1452, 169085), (1540, 159423), (1694, 144930), (1815, 135268), (2310, 106282), (2420, 101451), (2541, 96620), (3388, 72465), (3630, 67634), (4235, 57972), (4620, 53141), (4831, 50820), (5082, 48310), (7260, 33817), (8470, 28986), (9662, 25410), (10164, 24155), (12705, 19324), (14493, 16940)]