121216920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{701}}^1$

素因数の和:857

約数の個数: 128

約数和(自身を含む): 400308480

約数和(自身を除く): 279091560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 131, 132, 165, 220, 262, 264, 330, 393, 440, 524, 655, 660, 701, 786, 1048, 1310, 1320, 1402, 1441, 1572, 1965, 2103, 2620, 2804, 2882, 3144, 3505, 3930, 4206, 4323, 5240, 5608, 5764, 7010, 7205, 7711, 7860, 8412, 8646, 10515, 11528, 14020, 14410, 15422, 15720, 16824, 17292, 21030, 21615, 23133, 28040, 28820, 30844, 34584, 38555, 42060, 43230, 46266, 57640, 61688, 77110, 84120, 86460, 91831, 92532, 115665, 154220, 172920, 183662, 185064, 231330, 275493, 308440, 367324, 459155, 462660, 550986, 734648, 918310, 925320, 1010141, 1101972, 1377465, 1836620, 2020282, 2203944, 2754930, 3030423, 3673240, 4040564, 5050705, 5509860, 6060846, 8081128, 10101410, 11019720, 12121692, 15152115, 20202820, 24243384, 30304230, 40405640, 60608460, 121216920]

約数ペア:

[(1, 121216920), (2, 60608460), (3, 40405640), (4, 30304230), (5, 24243384), (6, 20202820), (8, 15152115), (10, 12121692), (11, 11019720), (12, 10101410), (15, 8081128), (20, 6060846), (22, 5509860), (24, 5050705), (30, 4040564), (33, 3673240), (40, 3030423), (44, 2754930), (55, 2203944), (60, 2020282), (66, 1836620), (88, 1377465), (110, 1101972), (120, 1010141), (131, 925320), (132, 918310), (165, 734648), (220, 550986), (262, 462660), (264, 459155), (330, 367324), (393, 308440), (440, 275493), (524, 231330), (655, 185064), (660, 183662), (701, 172920), (786, 154220), (1048, 115665), (1310, 92532), (1320, 91831), (1402, 86460), (1441, 84120), (1572, 77110), (1965, 61688), (2103, 57640), (2620, 46266), (2804, 43230), (2882, 42060), (3144, 38555), (3505, 34584), (3930, 30844), (4206, 28820), (4323, 28040), (5240, 23133), (5608, 21615), (5764, 21030), (7010, 17292), (7205, 16824), (7711, 15720), (7860, 15422), (8412, 14410), (8646, 14020), (10515, 11528)]