20580792720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{937}}^1\times {\mathrm{1289}}^1$

素因数の和:2313

約数の個数: 160

約数和(自身を含む): 64818351360

約数和(自身を除く): 44237558640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 71, 80, 120, 142, 213, 240, 284, 355, 426, 568, 710, 852, 937, 1065, 1136, 1289, 1420, 1704, 1874, 2130, 2578, 2811, 2840, 3408, 3748, 3867, 4260, 4685, 5156, 5622, 5680, 6445, 7496, 7734, 8520, 9370, 10312, 11244, 12890, 14055, 14992, 15468, 17040, 18740, 19335, 20624, 22488, 25780, 28110, 30936, 37480, 38670, 44976, 51560, 56220, 61872, 66527, 74960, 77340, 91519, 103120, 112440, 133054, 154680, 183038, 199581, 224880, 266108, 274557, 309360, 332635, 366076, 399162, 457595, 532216, 549114, 665270, 732152, 798324, 915190, 997905, 1064432, 1098228, 1207793, 1330540, 1372785, 1464304, 1596648, 1830380, 1995810, 2196456, 2415586, 2661080, 2745570, 3193296, 3623379, 3660760, 3991620, 4392912, 4831172, 5322160, 5491140, 6038965, 7246758, 7321520, 7983240, 9662344, 10982280, 12077930, 14493516, 15966480, 18116895, 19324688, 21964560, 24155860, 28987032, 36233790, 48311720, 57974064, 72467580, 85753303, 96623440, 144935160, 171506606, 257259909, 289870320, 343013212, 428766515, 514519818, 686026424, 857533030, 1029039636, 1286299545, 1372052848, 1715066060, 2058079272, 2572599090, 3430132120, 4116158544, 5145198180, 6860264240, 10290396360, 20580792720]

約数ペア:

[(1, 20580792720), (2, 10290396360), (3, 6860264240), (4, 5145198180), (5, 4116158544), (6, 3430132120), (8, 2572599090), (10, 2058079272), (12, 1715066060), (15, 1372052848), (16, 1286299545), (20, 1029039636), (24, 857533030), (30, 686026424), (40, 514519818), (48, 428766515), (60, 343013212), (71, 289870320), (80, 257259909), (120, 171506606), (142, 144935160), (213, 96623440), (240, 85753303), (284, 72467580), (355, 57974064), (426, 48311720), (568, 36233790), (710, 28987032), (852, 24155860), (937, 21964560), (1065, 19324688), (1136, 18116895), (1289, 15966480), (1420, 14493516), (1704, 12077930), (1874, 10982280), (2130, 9662344), (2578, 7983240), (2811, 7321520), (2840, 7246758), (3408, 6038965), (3748, 5491140), (3867, 5322160), (4260, 4831172), (4685, 4392912), (5156, 3991620), (5622, 3660760), (5680, 3623379), (6445, 3193296), (7496, 2745570), (7734, 2661080), (8520, 2415586), (9370, 2196456), (10312, 1995810), (11244, 1830380), (12890, 1596648), (14055, 1464304), (14992, 1372785), (15468, 1330540), (17040, 1207793), (18740, 1098228), (19335, 1064432), (20624, 997905), (22488, 915190), (25780, 798324), (28110, 732152), (30936, 665270), (37480, 549114), (38670, 532216), (44976, 457595), (51560, 399162), (56220, 366076), (61872, 332635), (66527, 309360), (74960, 274557), (77340, 266108), (91519, 224880), (103120, 199581), (112440, 183038), (133054, 154680)]