209631720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{1021}}^1$

素因数の和:1123

約数の個数: 128

約数和(自身を含む): 662256000

約数和(自身を除く): 452624280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 59, 60, 87, 116, 118, 120, 145, 174, 177, 232, 236, 290, 295, 348, 354, 435, 472, 580, 590, 696, 708, 870, 885, 1021, 1160, 1180, 1416, 1711, 1740, 1770, 2042, 2360, 3063, 3422, 3480, 3540, 4084, 5105, 5133, 6126, 6844, 7080, 8168, 8555, 10210, 10266, 12252, 13688, 15315, 17110, 20420, 20532, 24504, 25665, 29609, 30630, 34220, 40840, 41064, 51330, 59218, 60239, 61260, 68440, 88827, 102660, 118436, 120478, 122520, 148045, 177654, 180717, 205320, 236872, 240956, 296090, 301195, 355308, 361434, 444135, 481912, 592180, 602390, 710616, 722868, 888270, 903585, 1184360, 1204780, 1445736, 1746931, 1776540, 1807170, 2409560, 3493862, 3553080, 3614340, 5240793, 6987724, 7228680, 8734655, 10481586, 13975448, 17469310, 20963172, 26203965, 34938620, 41926344, 52407930, 69877240, 104815860, 209631720]

約数ペア:

[(1, 209631720), (2, 104815860), (3, 69877240), (4, 52407930), (5, 41926344), (6, 34938620), (8, 26203965), (10, 20963172), (12, 17469310), (15, 13975448), (20, 10481586), (24, 8734655), (29, 7228680), (30, 6987724), (40, 5240793), (58, 3614340), (59, 3553080), (60, 3493862), (87, 2409560), (116, 1807170), (118, 1776540), (120, 1746931), (145, 1445736), (174, 1204780), (177, 1184360), (232, 903585), (236, 888270), (290, 722868), (295, 710616), (348, 602390), (354, 592180), (435, 481912), (472, 444135), (580, 361434), (590, 355308), (696, 301195), (708, 296090), (870, 240956), (885, 236872), (1021, 205320), (1160, 180717), (1180, 177654), (1416, 148045), (1711, 122520), (1740, 120478), (1770, 118436), (2042, 102660), (2360, 88827), (3063, 68440), (3422, 61260), (3480, 60239), (3540, 59218), (4084, 51330), (5105, 41064), (5133, 40840), (6126, 34220), (6844, 30630), (7080, 29609), (8168, 25665), (8555, 24504), (10210, 20532), (10266, 20420), (12252, 17110), (13688, 15315)]