287861280

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{12239}}^1$

素因数の和:12271

約数の個数: 144

約数和(自身を含む): 1054892160

約数和(自身を除く): 767030880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1470, 1568, 1680, 1960, 2352, 2940, 3360, 3920, 4704, 5880, 7840, 11760, 12239, 23520, 24478, 36717, 48956, 61195, 73434, 85673, 97912, 122390, 146868, 171346, 183585, 195824, 244780, 257019, 293736, 342692, 367170, 391648, 428365, 489560, 514038, 587472, 599711, 685384, 734340, 856730, 979120, 1028076, 1174944, 1199422, 1285095, 1370768, 1468680, 1713460, 1799133, 1958240, 2056152, 2398844, 2570190, 2741536, 2937360, 2998555, 3426920, 3598266, 4112304, 4797688, 5140380, 5874720, 5997110, 6853840, 7196532, 8224608, 8995665, 9595376, 10280760, 11994220, 13707680, 14393064, 17991330, 19190752, 20561520, 23988440, 28786128, 35982660, 41123040, 47976880, 57572256, 71965320, 95953760, 143930640, 287861280]

約数ペア:

[(1, 287861280), (2, 143930640), (3, 95953760), (4, 71965320), (5, 57572256), (6, 47976880), (7, 41123040), (8, 35982660), (10, 28786128), (12, 23988440), (14, 20561520), (15, 19190752), (16, 17991330), (20, 14393064), (21, 13707680), (24, 11994220), (28, 10280760), (30, 9595376), (32, 8995665), (35, 8224608), (40, 7196532), (42, 6853840), (48, 5997110), (49, 5874720), (56, 5140380), (60, 4797688), (70, 4112304), (80, 3598266), (84, 3426920), (96, 2998555), (98, 2937360), (105, 2741536), (112, 2570190), (120, 2398844), (140, 2056152), (147, 1958240), (160, 1799133), (168, 1713460), (196, 1468680), (210, 1370768), (224, 1285095), (240, 1199422), (245, 1174944), (280, 1028076), (294, 979120), (336, 856730), (392, 734340), (420, 685384), (480, 599711), (490, 587472), (560, 514038), (588, 489560), (672, 428365), (735, 391648), (784, 367170), (840, 342692), (980, 293736), (1120, 257019), (1176, 244780), (1470, 195824), (1568, 183585), (1680, 171346), (1960, 146868), (2352, 122390), (2940, 97912), (3360, 85673), (3920, 73434), (4704, 61195), (5880, 48956), (7840, 36717), (11760, 24478), (12239, 23520)]