157889920

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:276

約数の個数: 128

約数和(自身を含む): 400982400

約数和(自身を除く): 243092480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 47, 58, 64, 80, 94, 116, 128, 145, 160, 181, 188, 232, 235, 290, 320, 362, 376, 464, 470, 580, 640, 724, 752, 905, 928, 940, 1160, 1363, 1448, 1504, 1810, 1856, 1880, 2320, 2726, 2896, 3008, 3620, 3712, 3760, 4640, 5249, 5452, 5792, 6016, 6815, 7240, 7520, 8507, 9280, 10498, 10904, 11584, 13630, 14480, 15040, 17014, 18560, 20996, 21808, 23168, 26245, 27260, 28960, 30080, 34028, 41992, 42535, 43616, 52490, 54520, 57920, 68056, 83984, 85070, 87232, 104980, 109040, 115840, 136112, 167968, 170140, 174464, 209960, 218080, 246703, 272224, 335936, 340280, 419920, 436160, 493406, 544448, 671872, 680560, 839840, 872320, 986812, 1088896, 1233515, 1361120, 1679680, 1973624, 2467030, 2722240, 3359360, 3947248, 4934060, 5444480, 7894496, 9868120, 15788992, 19736240, 31577984, 39472480, 78944960, 157889920]

約数ペア:

[(1, 157889920), (2, 78944960), (4, 39472480), (5, 31577984), (8, 19736240), (10, 15788992), (16, 9868120), (20, 7894496), (29, 5444480), (32, 4934060), (40, 3947248), (47, 3359360), (58, 2722240), (64, 2467030), (80, 1973624), (94, 1679680), (116, 1361120), (128, 1233515), (145, 1088896), (160, 986812), (181, 872320), (188, 839840), (232, 680560), (235, 671872), (290, 544448), (320, 493406), (362, 436160), (376, 419920), (464, 340280), (470, 335936), (580, 272224), (640, 246703), (724, 218080), (752, 209960), (905, 174464), (928, 170140), (940, 167968), (1160, 136112), (1363, 115840), (1448, 109040), (1504, 104980), (1810, 87232), (1856, 85070), (1880, 83984), (2320, 68056), (2726, 57920), (2896, 54520), (3008, 52490), (3620, 43616), (3712, 42535), (3760, 41992), (4640, 34028), (5249, 30080), (5452, 28960), (5792, 27260), (6016, 26245), (6815, 23168), (7240, 21808), (7520, 20996), (8507, 18560), (9280, 17014), (10498, 15040), (10904, 14480), (11584, 13630)]