78845340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{541}}^1$

素因数の和:907

約数の個数: 96

約数和(自身を含む): 253499904

約数和(自身を除く): 174654564

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 347, 420, 541, 694, 1041, 1082, 1388, 1623, 1735, 2082, 2164, 2429, 2705, 3246, 3470, 3787, 4164, 4858, 5205, 5410, 6492, 6940, 7287, 7574, 8115, 9716, 10410, 10820, 11361, 12145, 14574, 15148, 16230, 18935, 20820, 22722, 24290, 29148, 32460, 36435, 37870, 45444, 48580, 56805, 72870, 75740, 113610, 145740, 187727, 227220, 375454, 563181, 750908, 938635, 1126362, 1314089, 1877270, 2252724, 2628178, 2815905, 3754540, 3942267, 5256356, 5631810, 6570445, 7884534, 11263620, 13140890, 15769068, 19711335, 26281780, 39422670, 78845340]

約数ペア:

[(1, 78845340), (2, 39422670), (3, 26281780), (4, 19711335), (5, 15769068), (6, 13140890), (7, 11263620), (10, 7884534), (12, 6570445), (14, 5631810), (15, 5256356), (20, 3942267), (21, 3754540), (28, 2815905), (30, 2628178), (35, 2252724), (42, 1877270), (60, 1314089), (70, 1126362), (84, 938635), (105, 750908), (140, 563181), (210, 375454), (347, 227220), (420, 187727), (541, 145740), (694, 113610), (1041, 75740), (1082, 72870), (1388, 56805), (1623, 48580), (1735, 45444), (2082, 37870), (2164, 36435), (2429, 32460), (2705, 29148), (3246, 24290), (3470, 22722), (3787, 20820), (4164, 18935), (4858, 16230), (5205, 15148), (5410, 14574), (6492, 12145), (6940, 11361), (7287, 10820), (7574, 10410), (8115, 9716)]