19718995869440

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{7945057}}^1$

素因数の和:7945362

約数の個数: 144

約数和(自身を含む): 54175634369472

約数和(自身を除く): 34456638500032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 277, 280, 320, 448, 554, 560, 640, 896, 1108, 1120, 1280, 1385, 1792, 1939, 2216, 2240, 2770, 3878, 4432, 4480, 5540, 7756, 8864, 8960, 9695, 11080, 15512, 17728, 19390, 22160, 31024, 35456, 38780, 44320, 62048, 70912, 77560, 88640, 124096, 155120, 177280, 248192, 310240, 354560, 496384, 620480, 1240960, 2481920, 7945057, 15890114, 31780228, 39725285, 55615399, 63560456, 79450570, 111230798, 127120912, 158901140, 222461596, 254241824, 278076995, 317802280, 444923192, 508483648, 556153990, 635604560, 889846384, 1016967296, 1112307980, 1271209120, 1779692768, 2033934592, 2200780789, 2224615960, 2542418240, 3559385536, 4401561578, 4449231920, 5084836480, 7118771072, 8803123156, 8898463840, 10169672960, 11003903945, 14237542144, 15405465523, 17606246312, 17796927680, 22007807890, 30810931046, 35212492624, 35593855360, 44015615780, 61621862092, 70424985248, 71187710720, 77027327615, 88031231560, 123243724184, 140849970496, 154054655230, 176062463120, 246487448368, 281699940992, 308109310460, 352124926240, 492974896736, 563399881984, 616218620920, 704249852480, 985949793472, 1232437241840, 1408499704960, 1971899586944, 2464874483680, 2816999409920, 3943799173888, 4929748967360, 9859497934720, 19718995869440]

約数ペア:

[(1, 19718995869440), (2, 9859497934720), (4, 4929748967360), (5, 3943799173888), (7, 2816999409920), (8, 2464874483680), (10, 1971899586944), (14, 1408499704960), (16, 1232437241840), (20, 985949793472), (28, 704249852480), (32, 616218620920), (35, 563399881984), (40, 492974896736), (56, 352124926240), (64, 308109310460), (70, 281699940992), (80, 246487448368), (112, 176062463120), (128, 154054655230), (140, 140849970496), (160, 123243724184), (224, 88031231560), (256, 77027327615), (277, 71187710720), (280, 70424985248), (320, 61621862092), (448, 44015615780), (554, 35593855360), (560, 35212492624), (640, 30810931046), (896, 22007807890), (1108, 17796927680), (1120, 17606246312), (1280, 15405465523), (1385, 14237542144), (1792, 11003903945), (1939, 10169672960), (2216, 8898463840), (2240, 8803123156), (2770, 7118771072), (3878, 5084836480), (4432, 4449231920), (4480, 4401561578), (5540, 3559385536), (7756, 2542418240), (8864, 2224615960), (8960, 2200780789), (9695, 2033934592), (11080, 1779692768), (15512, 1271209120), (17728, 1112307980), (19390, 1016967296), (22160, 889846384), (31024, 635604560), (35456, 556153990), (38780, 508483648), (44320, 444923192), (62048, 317802280), (70912, 278076995), (77560, 254241824), (88640, 222461596), (124096, 158901140), (155120, 127120912), (177280, 111230798), (248192, 79450570), (310240, 63560456), (354560, 55615399), (496384, 39725285), (620480, 31780228), (1240960, 15890114), (2481920, 7945057)]