681536520

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{270451}}^1$

素因数の和:270475

約数の個数: 96

約数和(自身を含む): 2531430720

約数和(自身を除く): 1849894200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 270451, 540902, 811353, 1081804, 1352255, 1622706, 1893157, 2163608, 2434059, 2704510, 3245412, 3786314, 4056765, 4868118, 5409020, 5679471, 6490824, 7572628, 8113530, 9465785, 9736236, 10818040, 11358942, 12170295, 15145256, 16227060, 17038413, 18931570, 19472472, 22717884, 24340590, 28397355, 32454120, 34076826, 37863140, 45435768, 48681180, 56794710, 68153652, 75726280, 85192065, 97362360, 113589420, 136307304, 170384130, 227178840, 340768260, 681536520]

約数ペア:

[(1, 681536520), (2, 340768260), (3, 227178840), (4, 170384130), (5, 136307304), (6, 113589420), (7, 97362360), (8, 85192065), (9, 75726280), (10, 68153652), (12, 56794710), (14, 48681180), (15, 45435768), (18, 37863140), (20, 34076826), (21, 32454120), (24, 28397355), (28, 24340590), (30, 22717884), (35, 19472472), (36, 18931570), (40, 17038413), (42, 16227060), (45, 15145256), (56, 12170295), (60, 11358942), (63, 10818040), (70, 9736236), (72, 9465785), (84, 8113530), (90, 7572628), (105, 6490824), (120, 5679471), (126, 5409020), (140, 4868118), (168, 4056765), (180, 3786314), (210, 3245412), (252, 2704510), (280, 2434059), (315, 2163608), (360, 1893157), (420, 1622706), (504, 1352255), (630, 1081804), (840, 811353), (1260, 540902), (2520, 270451)]