1638594540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{28537}}^1$

素因数の和:28592

約数の個数: 144

約数和(自身を含む): 5609429280

約数和(自身を除く): 3970834740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 29, 30, 33, 36, 44, 45, 55, 58, 60, 66, 87, 90, 99, 110, 116, 132, 145, 165, 174, 180, 198, 220, 261, 290, 319, 330, 348, 396, 435, 495, 522, 580, 638, 660, 870, 957, 990, 1044, 1276, 1305, 1595, 1740, 1914, 1980, 2610, 2871, 3190, 3828, 4785, 5220, 5742, 6380, 9570, 11484, 14355, 19140, 28537, 28710, 57074, 57420, 85611, 114148, 142685, 171222, 256833, 285370, 313907, 342444, 428055, 513666, 570740, 627814, 827573, 856110, 941721, 1027332, 1255628, 1284165, 1569535, 1655146, 1712220, 1883442, 2482719, 2568330, 2825163, 3139070, 3310292, 3766884, 4137865, 4708605, 4965438, 5136660, 5650326, 6278140, 7448157, 8275730, 9103303, 9417210, 9930876, 11300652, 12413595, 14125815, 14896314, 16551460, 18206606, 18834420, 24827190, 27309909, 28251630, 29792628, 36413212, 37240785, 45516515, 49654380, 54619818, 56503260, 74481570, 81929727, 91033030, 109239636, 136549545, 148963140, 163859454, 182066060, 273099090, 327718908, 409648635, 546198180, 819297270, 1638594540]

約数ペア:

[(1, 1638594540), (2, 819297270), (3, 546198180), (4, 409648635), (5, 327718908), (6, 273099090), (9, 182066060), (10, 163859454), (11, 148963140), (12, 136549545), (15, 109239636), (18, 91033030), (20, 81929727), (22, 74481570), (29, 56503260), (30, 54619818), (33, 49654380), (36, 45516515), (44, 37240785), (45, 36413212), (55, 29792628), (58, 28251630), (60, 27309909), (66, 24827190), (87, 18834420), (90, 18206606), (99, 16551460), (110, 14896314), (116, 14125815), (132, 12413595), (145, 11300652), (165, 9930876), (174, 9417210), (180, 9103303), (198, 8275730), (220, 7448157), (261, 6278140), (290, 5650326), (319, 5136660), (330, 4965438), (348, 4708605), (396, 4137865), (435, 3766884), (495, 3310292), (522, 3139070), (580, 2825163), (638, 2568330), (660, 2482719), (870, 1883442), (957, 1712220), (990, 1655146), (1044, 1569535), (1276, 1284165), (1305, 1255628), (1595, 1027332), (1740, 941721), (1914, 856110), (1980, 827573), (2610, 627814), (2871, 570740), (3190, 513666), (3828, 428055), (4785, 342444), (5220, 313907), (5742, 285370), (6380, 256833), (9570, 171222), (11484, 142685), (14355, 114148), (19140, 85611), (28537, 57420), (28710, 57074)]