73905920

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:242

約数の個数: 144

約数和(自身を含む): 200884320

約数和(自身を除く): 126978400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 32, 40, 44, 55, 58, 64, 80, 88, 110, 116, 128, 145, 160, 176, 181, 220, 232, 256, 290, 319, 320, 352, 362, 440, 464, 580, 638, 640, 704, 724, 880, 905, 928, 1160, 1276, 1280, 1408, 1448, 1595, 1760, 1810, 1856, 1991, 2320, 2552, 2816, 2896, 3190, 3520, 3620, 3712, 3982, 4640, 5104, 5249, 5792, 6380, 7040, 7240, 7424, 7964, 9280, 9955, 10208, 10498, 11584, 12760, 14080, 14480, 15928, 18560, 19910, 20416, 20996, 23168, 25520, 26245, 28960, 31856, 37120, 39820, 40832, 41992, 46336, 51040, 52490, 57739, 57920, 63712, 79640, 81664, 83984, 102080, 104980, 115478, 115840, 127424, 159280, 167968, 204160, 209960, 230956, 231680, 254848, 288695, 318560, 335936, 408320, 419920, 461912, 509696, 577390, 637120, 671872, 839840, 923824, 1154780, 1274240, 1343744, 1679680, 1847648, 2309560, 2548480, 3359360, 3695296, 4619120, 6718720, 7390592, 9238240, 14781184, 18476480, 36952960, 73905920]

約数ペア:

[(1, 73905920), (2, 36952960), (4, 18476480), (5, 14781184), (8, 9238240), (10, 7390592), (11, 6718720), (16, 4619120), (20, 3695296), (22, 3359360), (29, 2548480), (32, 2309560), (40, 1847648), (44, 1679680), (55, 1343744), (58, 1274240), (64, 1154780), (80, 923824), (88, 839840), (110, 671872), (116, 637120), (128, 577390), (145, 509696), (160, 461912), (176, 419920), (181, 408320), (220, 335936), (232, 318560), (256, 288695), (290, 254848), (319, 231680), (320, 230956), (352, 209960), (362, 204160), (440, 167968), (464, 159280), (580, 127424), (638, 115840), (640, 115478), (704, 104980), (724, 102080), (880, 83984), (905, 81664), (928, 79640), (1160, 63712), (1276, 57920), (1280, 57739), (1408, 52490), (1448, 51040), (1595, 46336), (1760, 41992), (1810, 40832), (1856, 39820), (1991, 37120), (2320, 31856), (2552, 28960), (2816, 26245), (2896, 25520), (3190, 23168), (3520, 20996), (3620, 20416), (3712, 19910), (3982, 18560), (4640, 15928), (5104, 14480), (5249, 14080), (5792, 12760), (6380, 11584), (7040, 10498), (7240, 10208), (7424, 9955), (7964, 9280)]