80420200

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:180

約数の個数: 192

約数和(自身を含む): 235699200

約数和(自身を除く): 155279000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 25, 28, 31, 34, 35, 40, 50, 56, 62, 68, 70, 85, 100, 109, 119, 124, 136, 140, 155, 170, 175, 200, 217, 218, 238, 248, 280, 310, 340, 350, 425, 434, 436, 476, 527, 545, 595, 620, 680, 700, 763, 775, 850, 868, 872, 952, 1054, 1085, 1090, 1190, 1240, 1400, 1526, 1550, 1700, 1736, 1853, 2108, 2170, 2180, 2380, 2635, 2725, 2975, 3052, 3100, 3379, 3400, 3689, 3706, 3815, 4216, 4340, 4360, 4760, 5270, 5425, 5450, 5950, 6104, 6200, 6758, 7378, 7412, 7630, 8680, 9265, 10540, 10850, 10900, 11900, 12971, 13175, 13516, 14756, 14824, 15260, 16895, 18445, 18530, 19075, 21080, 21700, 21800, 23653, 23800, 25942, 26350, 27032, 29512, 30520, 33790, 36890, 37060, 38150, 43400, 46325, 47306, 51884, 52700, 57443, 64855, 67580, 73780, 74120, 76300, 84475, 92225, 92650, 94612, 103768, 105400, 114886, 118265, 129710, 135160, 147560, 152600, 168950, 184450, 185300, 189224, 229772, 236530, 259420, 287215, 324275, 337900, 368900, 370600, 402101, 459544, 473060, 518840, 574430, 591325, 648550, 675800, 737800, 804202, 946120, 1148860, 1182650, 1297100, 1436075, 1608404, 2010505, 2297720, 2365300, 2594200, 2872150, 3216808, 4021010, 4730600, 5744300, 8042020, 10052525, 11488600, 16084040, 20105050, 40210100, 80420200]

約数ペア:

[(1, 80420200), (2, 40210100), (4, 20105050), (5, 16084040), (7, 11488600), (8, 10052525), (10, 8042020), (14, 5744300), (17, 4730600), (20, 4021010), (25, 3216808), (28, 2872150), (31, 2594200), (34, 2365300), (35, 2297720), (40, 2010505), (50, 1608404), (56, 1436075), (62, 1297100), (68, 1182650), (70, 1148860), (85, 946120), (100, 804202), (109, 737800), (119, 675800), (124, 648550), (136, 591325), (140, 574430), (155, 518840), (170, 473060), (175, 459544), (200, 402101), (217, 370600), (218, 368900), (238, 337900), (248, 324275), (280, 287215), (310, 259420), (340, 236530), (350, 229772), (425, 189224), (434, 185300), (436, 184450), (476, 168950), (527, 152600), (545, 147560), (595, 135160), (620, 129710), (680, 118265), (700, 114886), (763, 105400), (775, 103768), (850, 94612), (868, 92650), (872, 92225), (952, 84475), (1054, 76300), (1085, 74120), (1090, 73780), (1190, 67580), (1240, 64855), (1400, 57443), (1526, 52700), (1550, 51884), (1700, 47306), (1736, 46325), (1853, 43400), (2108, 38150), (2170, 37060), (2180, 36890), (2380, 33790), (2635, 30520), (2725, 29512), (2975, 27032), (3052, 26350), (3100, 25942), (3379, 23800), (3400, 23653), (3689, 21800), (3706, 21700), (3815, 21080), (4216, 19075), (4340, 18530), (4360, 18445), (4760, 16895), (5270, 15260), (5425, 14824), (5450, 14756), (5950, 13516), (6104, 13175), (6200, 12971), (6758, 11900), (7378, 10900), (7412, 10850), (7630, 10540), (8680, 9265)]