66853820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:291

約数の個数: 96

約数和(自身を含む): 161796096

約数和(自身を除く): 94942276

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 43, 44, 55, 74, 86, 110, 148, 172, 185, 191, 215, 220, 370, 382, 407, 430, 473, 740, 764, 814, 860, 946, 955, 1591, 1628, 1892, 1910, 2035, 2101, 2365, 3182, 3820, 4070, 4202, 4730, 6364, 7067, 7955, 8140, 8213, 8404, 9460, 10505, 14134, 15910, 16426, 17501, 21010, 28268, 31820, 32852, 35002, 35335, 41065, 42020, 70004, 70670, 77737, 82130, 87505, 90343, 141340, 155474, 164260, 175010, 180686, 303881, 310948, 350020, 361372, 388685, 451715, 607762, 777370, 903430, 1215524, 1519405, 1554740, 1806860, 3038810, 3342691, 6077620, 6685382, 13370764, 16713455, 33426910, 66853820]

約数ペア:

[(1, 66853820), (2, 33426910), (4, 16713455), (5, 13370764), (10, 6685382), (11, 6077620), (20, 3342691), (22, 3038810), (37, 1806860), (43, 1554740), (44, 1519405), (55, 1215524), (74, 903430), (86, 777370), (110, 607762), (148, 451715), (172, 388685), (185, 361372), (191, 350020), (215, 310948), (220, 303881), (370, 180686), (382, 175010), (407, 164260), (430, 155474), (473, 141340), (740, 90343), (764, 87505), (814, 82130), (860, 77737), (946, 70670), (955, 70004), (1591, 42020), (1628, 41065), (1892, 35335), (1910, 35002), (2035, 32852), (2101, 31820), (2365, 28268), (3182, 21010), (3820, 17501), (4070, 16426), (4202, 15910), (4730, 14134), (6364, 10505), (7067, 9460), (7955, 8404), (8140, 8213)]