245507220

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{607}}^1$

素因数の和:739

約数の個数: 192

約数和(自身を含む): 882524160

約数和(自身を除く): 637016940

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 107, 108, 126, 135, 140, 180, 189, 210, 214, 252, 270, 315, 321, 378, 420, 428, 535, 540, 607, 630, 642, 749, 756, 945, 963, 1070, 1214, 1260, 1284, 1498, 1605, 1821, 1890, 1926, 2140, 2247, 2428, 2889, 2996, 3035, 3210, 3642, 3745, 3780, 3852, 4249, 4494, 4815, 5463, 5778, 6070, 6420, 6741, 7284, 7490, 8498, 8988, 9105, 9630, 10926, 11235, 11556, 12140, 12747, 13482, 14445, 14980, 16389, 16996, 18210, 19260, 20223, 21245, 21852, 22470, 25494, 26964, 27315, 28890, 32778, 33705, 36420, 38241, 40446, 42490, 44940, 50988, 54630, 57780, 63735, 64949, 65556, 67410, 76482, 80892, 81945, 84980, 101115, 109260, 114723, 127470, 129898, 134820, 152964, 163890, 191205, 194847, 202230, 229446, 254940, 259796, 324745, 327780, 382410, 389694, 404460, 454643, 458892, 573615, 584541, 649490, 764820, 779388, 909286, 974235, 1147230, 1169082, 1298980, 1363929, 1753623, 1818572, 1948470, 2273215, 2294460, 2338164, 2727858, 2922705, 3507246, 3896940, 4091787, 4546430, 5455716, 5845410, 6819645, 7014492, 8183574, 8768115, 9092860, 11690820, 12275361, 13639290, 16367148, 17536230, 20458935, 24550722, 27278580, 35072460, 40917870, 49101444, 61376805, 81835740, 122753610, 245507220]

約数ペア:

[(1, 245507220), (2, 122753610), (3, 81835740), (4, 61376805), (5, 49101444), (6, 40917870), (7, 35072460), (9, 27278580), (10, 24550722), (12, 20458935), (14, 17536230), (15, 16367148), (18, 13639290), (20, 12275361), (21, 11690820), (27, 9092860), (28, 8768115), (30, 8183574), (35, 7014492), (36, 6819645), (42, 5845410), (45, 5455716), (54, 4546430), (60, 4091787), (63, 3896940), (70, 3507246), (84, 2922705), (90, 2727858), (105, 2338164), (107, 2294460), (108, 2273215), (126, 1948470), (135, 1818572), (140, 1753623), (180, 1363929), (189, 1298980), (210, 1169082), (214, 1147230), (252, 974235), (270, 909286), (315, 779388), (321, 764820), (378, 649490), (420, 584541), (428, 573615), (535, 458892), (540, 454643), (607, 404460), (630, 389694), (642, 382410), (749, 327780), (756, 324745), (945, 259796), (963, 254940), (1070, 229446), (1214, 202230), (1260, 194847), (1284, 191205), (1498, 163890), (1605, 152964), (1821, 134820), (1890, 129898), (1926, 127470), (2140, 114723), (2247, 109260), (2428, 101115), (2889, 84980), (2996, 81945), (3035, 80892), (3210, 76482), (3642, 67410), (3745, 65556), (3780, 64949), (3852, 63735), (4249, 57780), (4494, 54630), (4815, 50988), (5463, 44940), (5778, 42490), (6070, 40446), (6420, 38241), (6741, 36420), (7284, 33705), (7490, 32778), (8498, 28890), (8988, 27315), (9105, 26964), (9630, 25494), (10926, 22470), (11235, 21852), (11556, 21245), (12140, 20223), (12747, 19260), (13482, 18210), (14445, 16996), (14980, 16389)]