81073000

素因数分解:

$2^3\times 5^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1$

素因数の和:308

約数の個数: 128

約数和(自身を含む): 212284800

約数和(自身を除く): 131211800

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 25, 34, 38, 40, 50, 68, 76, 85, 95, 100, 125, 136, 152, 170, 190, 200, 250, 251, 323, 340, 380, 425, 475, 500, 502, 646, 680, 760, 850, 950, 1000, 1004, 1255, 1292, 1615, 1700, 1900, 2008, 2125, 2375, 2510, 2584, 3230, 3400, 3800, 4250, 4267, 4750, 4769, 5020, 6275, 6460, 8075, 8500, 8534, 9500, 9538, 10040, 12550, 12920, 16150, 17000, 17068, 19000, 19076, 21335, 23845, 25100, 31375, 32300, 34136, 38152, 40375, 42670, 47690, 50200, 62750, 64600, 80750, 81073, 85340, 95380, 106675, 119225, 125500, 161500, 162146, 170680, 190760, 213350, 238450, 251000, 323000, 324292, 405365, 426700, 476900, 533375, 596125, 648584, 810730, 853400, 953800, 1066750, 1192250, 1621460, 2026825, 2133500, 2384500, 3242920, 4053650, 4267000, 4769000, 8107300, 10134125, 16214600, 20268250, 40536500, 81073000]

約数ペア:

[(1, 81073000), (2, 40536500), (4, 20268250), (5, 16214600), (8, 10134125), (10, 8107300), (17, 4769000), (19, 4267000), (20, 4053650), (25, 3242920), (34, 2384500), (38, 2133500), (40, 2026825), (50, 1621460), (68, 1192250), (76, 1066750), (85, 953800), (95, 853400), (100, 810730), (125, 648584), (136, 596125), (152, 533375), (170, 476900), (190, 426700), (200, 405365), (250, 324292), (251, 323000), (323, 251000), (340, 238450), (380, 213350), (425, 190760), (475, 170680), (500, 162146), (502, 161500), (646, 125500), (680, 119225), (760, 106675), (850, 95380), (950, 85340), (1000, 81073), (1004, 80750), (1255, 64600), (1292, 62750), (1615, 50200), (1700, 47690), (1900, 42670), (2008, 40375), (2125, 38152), (2375, 34136), (2510, 32300), (2584, 31375), (3230, 25100), (3400, 23845), (3800, 21335), (4250, 19076), (4267, 19000), (4750, 17068), (4769, 17000), (5020, 16150), (6275, 12920), (6460, 12550), (8075, 10040), (8500, 9538), (8534, 9500)]