80686920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{823}}^1$

素因数の和:899

約数の個数: 128

約数和(自身を含む): 261043200

約数和(自身を除く): 180356280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 43, 57, 60, 76, 86, 95, 114, 120, 129, 152, 172, 190, 215, 228, 258, 285, 344, 380, 430, 456, 516, 570, 645, 760, 817, 823, 860, 1032, 1140, 1290, 1634, 1646, 1720, 2280, 2451, 2469, 2580, 3268, 3292, 4085, 4115, 4902, 4938, 5160, 6536, 6584, 8170, 8230, 9804, 9876, 12255, 12345, 15637, 16340, 16460, 19608, 19752, 24510, 24690, 31274, 32680, 32920, 35389, 46911, 49020, 49380, 62548, 70778, 78185, 93822, 98040, 98760, 106167, 125096, 141556, 156370, 176945, 187644, 212334, 234555, 283112, 312740, 353890, 375288, 424668, 469110, 530835, 625480, 672391, 707780, 849336, 938220, 1061670, 1344782, 1415560, 1876440, 2017173, 2123340, 2689564, 3361955, 4034346, 4246680, 5379128, 6723910, 8068692, 10085865, 13447820, 16137384, 20171730, 26895640, 40343460, 80686920]

約数ペア:

[(1, 80686920), (2, 40343460), (3, 26895640), (4, 20171730), (5, 16137384), (6, 13447820), (8, 10085865), (10, 8068692), (12, 6723910), (15, 5379128), (19, 4246680), (20, 4034346), (24, 3361955), (30, 2689564), (38, 2123340), (40, 2017173), (43, 1876440), (57, 1415560), (60, 1344782), (76, 1061670), (86, 938220), (95, 849336), (114, 707780), (120, 672391), (129, 625480), (152, 530835), (172, 469110), (190, 424668), (215, 375288), (228, 353890), (258, 312740), (285, 283112), (344, 234555), (380, 212334), (430, 187644), (456, 176945), (516, 156370), (570, 141556), (645, 125096), (760, 106167), (817, 98760), (823, 98040), (860, 93822), (1032, 78185), (1140, 70778), (1290, 62548), (1634, 49380), (1646, 49020), (1720, 46911), (2280, 35389), (2451, 32920), (2469, 32680), (2580, 31274), (3268, 24690), (3292, 24510), (4085, 19752), (4115, 19608), (4902, 16460), (4938, 16340), (5160, 15637), (6536, 12345), (6584, 12255), (8170, 9876), (8230, 9804)]