20210610

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{613}}^1$

素因数の和:787

約数の個数: 64

約数和(自身を含む): 55878912

約数和(自身を除く): 35668302

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 157, 210, 314, 471, 613, 785, 942, 1099, 1226, 1570, 1839, 2198, 2355, 3065, 3297, 3678, 4291, 4710, 5495, 6130, 6594, 8582, 9195, 10990, 12873, 16485, 18390, 21455, 25746, 32970, 42910, 64365, 96241, 128730, 192482, 288723, 481205, 577446, 673687, 962410, 1347374, 1443615, 2021061, 2887230, 3368435, 4042122, 6736870, 10105305, 20210610]

約数ペア:

[(1, 20210610), (2, 10105305), (3, 6736870), (5, 4042122), (6, 3368435), (7, 2887230), (10, 2021061), (14, 1443615), (15, 1347374), (21, 962410), (30, 673687), (35, 577446), (42, 481205), (70, 288723), (105, 192482), (157, 128730), (210, 96241), (314, 64365), (471, 42910), (613, 32970), (785, 25746), (942, 21455), (1099, 18390), (1226, 16485), (1570, 12873), (1839, 10990), (2198, 9195), (2355, 8582), (3065, 6594), (3297, 6130), (3678, 5495), (4291, 4710)]