71928640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:384

約数の個数: 112

約数和(自身を含む): 197949312

約数和(自身を除く): 126020672

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 163, 197, 224, 280, 320, 326, 394, 448, 560, 652, 788, 815, 985, 1120, 1141, 1304, 1379, 1576, 1630, 1970, 2240, 2282, 2608, 2758, 3152, 3260, 3940, 4564, 5216, 5516, 5705, 6304, 6520, 6895, 7880, 9128, 10432, 11032, 11410, 12608, 13040, 13790, 15760, 18256, 22064, 22820, 26080, 27580, 31520, 32111, 36512, 44128, 45640, 52160, 55160, 63040, 64222, 73024, 88256, 91280, 110320, 128444, 160555, 182560, 220640, 224777, 256888, 321110, 365120, 441280, 449554, 513776, 642220, 899108, 1027552, 1123885, 1284440, 1798216, 2055104, 2247770, 2568880, 3596432, 4495540, 5137760, 7192864, 8991080, 10275520, 14385728, 17982160, 35964320, 71928640]

約数ペア:

[(1, 71928640), (2, 35964320), (4, 17982160), (5, 14385728), (7, 10275520), (8, 8991080), (10, 7192864), (14, 5137760), (16, 4495540), (20, 3596432), (28, 2568880), (32, 2247770), (35, 2055104), (40, 1798216), (56, 1284440), (64, 1123885), (70, 1027552), (80, 899108), (112, 642220), (140, 513776), (160, 449554), (163, 441280), (197, 365120), (224, 321110), (280, 256888), (320, 224777), (326, 220640), (394, 182560), (448, 160555), (560, 128444), (652, 110320), (788, 91280), (815, 88256), (985, 73024), (1120, 64222), (1141, 63040), (1304, 55160), (1379, 52160), (1576, 45640), (1630, 44128), (1970, 36512), (2240, 32111), (2282, 31520), (2608, 27580), (2758, 26080), (3152, 22820), (3260, 22064), (3940, 18256), (4564, 15760), (5216, 13790), (5516, 13040), (5705, 12608), (6304, 11410), (6520, 11032), (6895, 10432), (7880, 9128)]