81835740

素因数分解:

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

素因数の和:736

約数の個数: 144

約数和(自身を含む): 286820352

約数和(自身を除く): 204984612

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, 105, 107, 126, 140, 180, 210, 214, 252, 315, 321, 420, 428, 535, 607, 630, 642, 749, 963, 1070, 1214, 1260, 1284, 1498, 1605, 1821, 1926, 2140, 2247, 2428, 2996, 3035, 3210, 3642, 3745, 3852, 4249, 4494, 4815, 5463, 6070, 6420, 6741, 7284, 7490, 8498, 8988, 9105, 9630, 10926, 11235, 12140, 12747, 13482, 14980, 16996, 18210, 19260, 21245, 21852, 22470, 25494, 26964, 27315, 33705, 36420, 38241, 42490, 44940, 50988, 54630, 63735, 64949, 67410, 76482, 84980, 109260, 127470, 129898, 134820, 152964, 191205, 194847, 254940, 259796, 324745, 382410, 389694, 454643, 584541, 649490, 764820, 779388, 909286, 974235, 1169082, 1298980, 1363929, 1818572, 1948470, 2273215, 2338164, 2727858, 2922705, 3896940, 4091787, 4546430, 5455716, 5845410, 6819645, 8183574, 9092860, 11690820, 13639290, 16367148, 20458935, 27278580, 40917870, 81835740]

約数ペア:

[(1, 81835740), (2, 40917870), (3, 27278580), (4, 20458935), (5, 16367148), (6, 13639290), (7, 11690820), (9, 9092860), (10, 8183574), (12, 6819645), (14, 5845410), (15, 5455716), (18, 4546430), (20, 4091787), (21, 3896940), (28, 2922705), (30, 2727858), (35, 2338164), (36, 2273215), (42, 1948470), (45, 1818572), (60, 1363929), (63, 1298980), (70, 1169082), (84, 974235), (90, 909286), (105, 779388), (107, 764820), (126, 649490), (140, 584541), (180, 454643), (210, 389694), (214, 382410), (252, 324745), (315, 259796), (321, 254940), (420, 194847), (428, 191205), (535, 152964), (607, 134820), (630, 129898), (642, 127470), (749, 109260), (963, 84980), (1070, 76482), (1214, 67410), (1260, 64949), (1284, 63735), (1498, 54630), (1605, 50988), (1821, 44940), (1926, 42490), (2140, 38241), (2247, 36420), (2428, 33705), (2996, 27315), (3035, 26964), (3210, 25494), (3642, 22470), (3745, 21852), (3852, 21245), (4249, 19260), (4494, 18210), (4815, 16996), (5463, 14980), (6070, 13482), (6420, 12747), (6741, 12140), (7284, 11235), (7490, 10926), (8498, 9630), (8988, 9105)]