66781890

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1493}}^1$

素因数の和:1584

約数の個数: 96

約数和(自身を含む): 201367296

約数和(自身を除く): 134585406

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 71, 90, 105, 126, 142, 210, 213, 315, 355, 426, 497, 630, 639, 710, 994, 1065, 1278, 1491, 1493, 2130, 2485, 2982, 2986, 3195, 4473, 4479, 4970, 6390, 7455, 7465, 8946, 8958, 10451, 13437, 14910, 14930, 20902, 22365, 22395, 26874, 31353, 44730, 44790, 52255, 62706, 67185, 94059, 104510, 106003, 134370, 156765, 188118, 212006, 313530, 318009, 470295, 530015, 636018, 742021, 940590, 954027, 1060030, 1484042, 1590045, 1908054, 2226063, 3180090, 3710105, 4452126, 4770135, 6678189, 7420210, 9540270, 11130315, 13356378, 22260630, 33390945, 66781890]

約数ペア:

[(1, 66781890), (2, 33390945), (3, 22260630), (5, 13356378), (6, 11130315), (7, 9540270), (9, 7420210), (10, 6678189), (14, 4770135), (15, 4452126), (18, 3710105), (21, 3180090), (30, 2226063), (35, 1908054), (42, 1590045), (45, 1484042), (63, 1060030), (70, 954027), (71, 940590), (90, 742021), (105, 636018), (126, 530015), (142, 470295), (210, 318009), (213, 313530), (315, 212006), (355, 188118), (426, 156765), (497, 134370), (630, 106003), (639, 104510), (710, 94059), (994, 67185), (1065, 62706), (1278, 52255), (1491, 44790), (1493, 44730), (2130, 31353), (2485, 26874), (2982, 22395), (2986, 22365), (3195, 20902), (4473, 14930), (4479, 14910), (4970, 13437), (6390, 10451), (7455, 8958), (7465, 8946)]