221559660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1741}}^1$

素因数の和:1864

約数の個数: 144

約数和(自身を含む): 776123712

約数和(自身を除く): 554564052

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 101, 105, 126, 140, 180, 202, 210, 252, 303, 315, 404, 420, 505, 606, 630, 707, 909, 1010, 1212, 1260, 1414, 1515, 1741, 1818, 2020, 2121, 2828, 3030, 3482, 3535, 3636, 4242, 4545, 5223, 6060, 6363, 6964, 7070, 8484, 8705, 9090, 10446, 10605, 12187, 12726, 14140, 15669, 17410, 18180, 20892, 21210, 24374, 25452, 26115, 31338, 31815, 34820, 36561, 42420, 48748, 52230, 60935, 62676, 63630, 73122, 78345, 104460, 109683, 121870, 127260, 146244, 156690, 175841, 182805, 219366, 243740, 313380, 351682, 365610, 438732, 527523, 548415, 703364, 731220, 879205, 1055046, 1096830, 1230887, 1582569, 1758410, 2110092, 2193660, 2461774, 2637615, 3165138, 3516820, 3692661, 4923548, 5275230, 6154435, 6330276, 7385322, 7912845, 10550460, 11077983, 12308870, 14770644, 15825690, 18463305, 22155966, 24617740, 31651380, 36926610, 44311932, 55389915, 73853220, 110779830, 221559660]

約数ペア:

[(1, 221559660), (2, 110779830), (3, 73853220), (4, 55389915), (5, 44311932), (6, 36926610), (7, 31651380), (9, 24617740), (10, 22155966), (12, 18463305), (14, 15825690), (15, 14770644), (18, 12308870), (20, 11077983), (21, 10550460), (28, 7912845), (30, 7385322), (35, 6330276), (36, 6154435), (42, 5275230), (45, 4923548), (60, 3692661), (63, 3516820), (70, 3165138), (84, 2637615), (90, 2461774), (101, 2193660), (105, 2110092), (126, 1758410), (140, 1582569), (180, 1230887), (202, 1096830), (210, 1055046), (252, 879205), (303, 731220), (315, 703364), (404, 548415), (420, 527523), (505, 438732), (606, 365610), (630, 351682), (707, 313380), (909, 243740), (1010, 219366), (1212, 182805), (1260, 175841), (1414, 156690), (1515, 146244), (1741, 127260), (1818, 121870), (2020, 109683), (2121, 104460), (2828, 78345), (3030, 73122), (3482, 63630), (3535, 62676), (3636, 60935), (4242, 52230), (4545, 48748), (5223, 42420), (6060, 36561), (6363, 34820), (6964, 31815), (7070, 31338), (8484, 26115), (8705, 25452), (9090, 24374), (10446, 21210), (10605, 20892), (12187, 18180), (12726, 17410), (14140, 15669)]