28945648480

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{199}}^1\times {\mathrm{18553}}^1$

素因数の和:18781

約数の個数: 144

約数和(自身を含む): 79952896800

約数和(自身を除く): 51007248320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 199, 224, 245, 280, 392, 398, 490, 560, 784, 796, 980, 995, 1120, 1393, 1568, 1592, 1960, 1990, 2786, 3184, 3920, 3980, 5572, 6368, 6965, 7840, 7960, 9751, 11144, 13930, 15920, 18553, 19502, 22288, 27860, 31840, 37106, 39004, 44576, 48755, 55720, 74212, 78008, 92765, 97510, 111440, 129871, 148424, 156016, 185530, 195020, 222880, 259742, 296848, 312032, 371060, 390040, 519484, 593696, 649355, 742120, 780080, 909097, 1038968, 1298710, 1484240, 1560160, 1818194, 2077936, 2597420, 2968480, 3636388, 3692047, 4155872, 4545485, 5194840, 7272776, 7384094, 9090970, 10389680, 14545552, 14768188, 18181940, 18460235, 20779360, 25844329, 29091104, 29536376, 36363880, 36920470, 51688658, 59072752, 72727760, 73840940, 103377316, 118145504, 129221645, 145455520, 147681880, 180910303, 206754632, 258443290, 295363760, 361820606, 413509264, 516886580, 590727520, 723641212, 827018528, 904551515, 1033773160, 1447282424, 1809103030, 2067546320, 2894564848, 3618206060, 4135092640, 5789129696, 7236412120, 14472824240, 28945648480]

約数ペア:

[(1, 28945648480), (2, 14472824240), (4, 7236412120), (5, 5789129696), (7, 4135092640), (8, 3618206060), (10, 2894564848), (14, 2067546320), (16, 1809103030), (20, 1447282424), (28, 1033773160), (32, 904551515), (35, 827018528), (40, 723641212), (49, 590727520), (56, 516886580), (70, 413509264), (80, 361820606), (98, 295363760), (112, 258443290), (140, 206754632), (160, 180910303), (196, 147681880), (199, 145455520), (224, 129221645), (245, 118145504), (280, 103377316), (392, 73840940), (398, 72727760), (490, 59072752), (560, 51688658), (784, 36920470), (796, 36363880), (980, 29536376), (995, 29091104), (1120, 25844329), (1393, 20779360), (1568, 18460235), (1592, 18181940), (1960, 14768188), (1990, 14545552), (2786, 10389680), (3184, 9090970), (3920, 7384094), (3980, 7272776), (5572, 5194840), (6368, 4545485), (6965, 4155872), (7840, 3692047), (7960, 3636388), (9751, 2968480), (11144, 2597420), (13930, 2077936), (15920, 1818194), (18553, 1560160), (19502, 1484240), (22288, 1298710), (27860, 1038968), (31840, 909097), (37106, 780080), (39004, 742120), (44576, 649355), (48755, 593696), (55720, 519484), (74212, 390040), (78008, 371060), (92765, 312032), (97510, 296848), (111440, 259742), (129871, 222880), (148424, 195020), (156016, 185530)]