19977530880

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83911}}^1$

素因数の和:83968

約数の個数: 160

約数和(自身を含む): 65926637568

約数和(自身を除く): 45949106688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 256, 310, 320, 372, 384, 465, 480, 496, 512, 620, 640, 744, 768, 930, 960, 992, 1240, 1280, 1488, 1536, 1860, 1920, 1984, 2480, 2560, 2976, 3720, 3840, 3968, 4960, 5952, 7440, 7680, 7936, 9920, 11904, 14880, 15872, 19840, 23808, 29760, 39680, 47616, 59520, 79360, 83911, 119040, 167822, 238080, 251733, 335644, 419555, 503466, 671288, 839110, 1006932, 1258665, 1342576, 1678220, 2013864, 2517330, 2601241, 2685152, 3356440, 4027728, 5034660, 5202482, 5370304, 6712880, 7803723, 8055456, 10069320, 10404964, 10740608, 13006205, 13425760, 15607446, 16110912, 20138640, 20809928, 21481216, 26012410, 26851520, 31214892, 32221824, 39018615, 40277280, 41619856, 42962432, 52024820, 53703040, 62429784, 64443648, 78037230, 80554560, 83239712, 104049640, 107406080, 124859568, 128887296, 156074460, 161109120, 166479424, 208099280, 214812160, 249719136, 312148920, 322218240, 332958848, 416198560, 499438272, 624297840, 644436480, 665917696, 832397120, 998876544, 1248595680, 1331835392, 1664794240, 1997753088, 2497191360, 3329588480, 3995506176, 4994382720, 6659176960, 9988765440, 19977530880]

約数ペア:

[(1, 19977530880), (2, 9988765440), (3, 6659176960), (4, 4994382720), (5, 3995506176), (6, 3329588480), (8, 2497191360), (10, 1997753088), (12, 1664794240), (15, 1331835392), (16, 1248595680), (20, 998876544), (24, 832397120), (30, 665917696), (31, 644436480), (32, 624297840), (40, 499438272), (48, 416198560), (60, 332958848), (62, 322218240), (64, 312148920), (80, 249719136), (93, 214812160), (96, 208099280), (120, 166479424), (124, 161109120), (128, 156074460), (155, 128887296), (160, 124859568), (186, 107406080), (192, 104049640), (240, 83239712), (248, 80554560), (256, 78037230), (310, 64443648), (320, 62429784), (372, 53703040), (384, 52024820), (465, 42962432), (480, 41619856), (496, 40277280), (512, 39018615), (620, 32221824), (640, 31214892), (744, 26851520), (768, 26012410), (930, 21481216), (960, 20809928), (992, 20138640), (1240, 16110912), (1280, 15607446), (1488, 13425760), (1536, 13006205), (1860, 10740608), (1920, 10404964), (1984, 10069320), (2480, 8055456), (2560, 7803723), (2976, 6712880), (3720, 5370304), (3840, 5202482), (3968, 5034660), (4960, 4027728), (5952, 3356440), (7440, 2685152), (7680, 2601241), (7936, 2517330), (9920, 2013864), (11904, 1678220), (14880, 1342576), (15872, 1258665), (19840, 1006932), (23808, 839110), (29760, 671288), (39680, 503466), (47616, 419555), (59520, 335644), (79360, 251733), (83911, 238080), (119040, 167822)]