81106620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{6659}}^1$

素因数の和:6707

約数の個数: 96

約数和(自身を含む): 268531200

約数和(自身を除く): 187424580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 58, 60, 70, 84, 87, 105, 116, 140, 145, 174, 203, 210, 290, 348, 406, 420, 435, 580, 609, 812, 870, 1015, 1218, 1740, 2030, 2436, 3045, 4060, 6090, 6659, 12180, 13318, 19977, 26636, 33295, 39954, 46613, 66590, 79908, 93226, 99885, 133180, 139839, 186452, 193111, 199770, 233065, 279678, 386222, 399540, 466130, 559356, 579333, 699195, 772444, 932260, 965555, 1158666, 1351777, 1398390, 1931110, 2317332, 2703554, 2796780, 2896665, 3862220, 4055331, 5407108, 5793330, 6758885, 8110662, 11586660, 13517770, 16221324, 20276655, 27035540, 40553310, 81106620]

約数ペア:

[(1, 81106620), (2, 40553310), (3, 27035540), (4, 20276655), (5, 16221324), (6, 13517770), (7, 11586660), (10, 8110662), (12, 6758885), (14, 5793330), (15, 5407108), (20, 4055331), (21, 3862220), (28, 2896665), (29, 2796780), (30, 2703554), (35, 2317332), (42, 1931110), (58, 1398390), (60, 1351777), (70, 1158666), (84, 965555), (87, 932260), (105, 772444), (116, 699195), (140, 579333), (145, 559356), (174, 466130), (203, 399540), (210, 386222), (290, 279678), (348, 233065), (406, 199770), (420, 193111), (435, 186452), (580, 139839), (609, 133180), (812, 99885), (870, 93226), (1015, 79908), (1218, 66590), (1740, 46613), (2030, 39954), (2436, 33295), (3045, 26636), (4060, 19977), (6090, 13318), (6659, 12180)]