1782019960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{76679}}^1$

素因数の和:76780

約数の個数: 64

約数和(自身を含む): 4637606400

約数和(自身を除く): 2855586440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 83, 140, 166, 280, 332, 415, 581, 664, 830, 1162, 1660, 2324, 2905, 3320, 4648, 5810, 11620, 23240, 76679, 153358, 306716, 383395, 536753, 613432, 766790, 1073506, 1533580, 2147012, 2683765, 3067160, 4294024, 5367530, 6364357, 10735060, 12728714, 21470120, 25457428, 31821785, 44550499, 50914856, 63643570, 89100998, 127287140, 178201996, 222752495, 254574280, 356403992, 445504990, 891009980, 1782019960]

約数ペア:

[(1, 1782019960), (2, 891009980), (4, 445504990), (5, 356403992), (7, 254574280), (8, 222752495), (10, 178201996), (14, 127287140), (20, 89100998), (28, 63643570), (35, 50914856), (40, 44550499), (56, 31821785), (70, 25457428), (83, 21470120), (140, 12728714), (166, 10735060), (280, 6364357), (332, 5367530), (415, 4294024), (581, 3067160), (664, 2683765), (830, 2147012), (1162, 1533580), (1660, 1073506), (2324, 766790), (2905, 613432), (3320, 536753), (4648, 383395), (5810, 306716), (11620, 153358), (23240, 76679)]