280632016

素因数分解:

$2^4\times 7^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:321

約数の個数: 120

約数和(自身を含む): 671742720

約数和(自身を除く): 391110704

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 49, 56, 79, 92, 98, 112, 158, 161, 184, 196, 197, 316, 322, 368, 392, 394, 553, 632, 644, 784, 788, 1106, 1127, 1264, 1288, 1379, 1576, 1817, 2212, 2254, 2576, 2758, 3152, 3634, 3871, 4424, 4508, 4531, 5516, 7268, 7742, 8848, 9016, 9062, 9653, 11032, 12719, 14536, 15484, 15563, 18032, 18124, 19306, 22064, 25438, 29072, 30968, 31126, 31717, 36248, 38612, 50876, 61936, 62252, 63434, 72496, 77224, 89033, 101752, 108941, 124504, 126868, 154448, 178066, 203504, 217882, 222019, 249008, 253736, 356132, 357949, 435764, 444038, 507472, 712264, 715898, 762587, 871528, 888076, 1424528, 1431796, 1525174, 1743056, 1776152, 2505643, 2863592, 3050348, 3552304, 5011286, 5727184, 6100696, 10022572, 12201392, 17539501, 20045144, 35079002, 40090288, 70158004, 140316008, 280632016]

約数ペア:

[(1, 280632016), (2, 140316008), (4, 70158004), (7, 40090288), (8, 35079002), (14, 20045144), (16, 17539501), (23, 12201392), (28, 10022572), (46, 6100696), (49, 5727184), (56, 5011286), (79, 3552304), (92, 3050348), (98, 2863592), (112, 2505643), (158, 1776152), (161, 1743056), (184, 1525174), (196, 1431796), (197, 1424528), (316, 888076), (322, 871528), (368, 762587), (392, 715898), (394, 712264), (553, 507472), (632, 444038), (644, 435764), (784, 357949), (788, 356132), (1106, 253736), (1127, 249008), (1264, 222019), (1288, 217882), (1379, 203504), (1576, 178066), (1817, 154448), (2212, 126868), (2254, 124504), (2576, 108941), (2758, 101752), (3152, 89033), (3634, 77224), (3871, 72496), (4424, 63434), (4508, 62252), (4531, 61936), (5516, 50876), (7268, 38612), (7742, 36248), (8848, 31717), (9016, 31126), (9062, 30968), (9653, 29072), (11032, 25438), (12719, 22064), (14536, 19306), (15484, 18124), (15563, 18032)]