638689920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{30241}}^1$

素因数の和:30274

約数の個数: 128

約数和(自身を含む): 2220972480

約数和(自身を除く): 1582282560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 264, 320, 330, 352, 384, 440, 480, 528, 640, 660, 704, 880, 960, 1056, 1320, 1408, 1760, 1920, 2112, 2640, 3520, 4224, 5280, 7040, 10560, 21120, 30241, 60482, 90723, 120964, 151205, 181446, 241928, 302410, 332651, 362892, 453615, 483856, 604820, 665302, 725784, 907230, 967712, 997953, 1209640, 1330604, 1451568, 1663255, 1814460, 1935424, 1995906, 2419280, 2661208, 2903136, 3326510, 3628920, 3870848, 3991812, 4838560, 4989765, 5322416, 5806272, 6653020, 7257840, 7983624, 9677120, 9979530, 10644832, 11612544, 13306040, 14515680, 15967248, 19354240, 19959060, 21289664, 26612080, 29031360, 31934496, 39918120, 42579328, 53224160, 58062720, 63868992, 79836240, 106448320, 127737984, 159672480, 212896640, 319344960, 638689920]

約数ペア:

[(1, 638689920), (2, 319344960), (3, 212896640), (4, 159672480), (5, 127737984), (6, 106448320), (8, 79836240), (10, 63868992), (11, 58062720), (12, 53224160), (15, 42579328), (16, 39918120), (20, 31934496), (22, 29031360), (24, 26612080), (30, 21289664), (32, 19959060), (33, 19354240), (40, 15967248), (44, 14515680), (48, 13306040), (55, 11612544), (60, 10644832), (64, 9979530), (66, 9677120), (80, 7983624), (88, 7257840), (96, 6653020), (110, 5806272), (120, 5322416), (128, 4989765), (132, 4838560), (160, 3991812), (165, 3870848), (176, 3628920), (192, 3326510), (220, 2903136), (240, 2661208), (264, 2419280), (320, 1995906), (330, 1935424), (352, 1814460), (384, 1663255), (440, 1451568), (480, 1330604), (528, 1209640), (640, 997953), (660, 967712), (704, 907230), (880, 725784), (960, 665302), (1056, 604820), (1320, 483856), (1408, 453615), (1760, 362892), (1920, 332651), (2112, 302410), (2640, 241928), (3520, 181446), (4224, 151205), (5280, 120964), (7040, 90723), (10560, 60482), (21120, 30241)]