65966740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{811}}^1$

素因数の和:917

約数の個数: 72

約数和(自身を含む): 163289952

約数和(自身を除く): 97323212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 83, 98, 140, 166, 196, 245, 332, 415, 490, 581, 811, 830, 980, 1162, 1622, 1660, 2324, 2905, 3244, 4055, 4067, 5677, 5810, 8110, 8134, 11354, 11620, 16220, 16268, 20335, 22708, 28385, 39739, 40670, 56770, 67313, 79478, 81340, 113540, 134626, 158956, 198695, 269252, 336565, 397390, 471191, 673130, 794780, 942382, 1346260, 1884764, 2355955, 3298337, 4711910, 6596674, 9423820, 13193348, 16491685, 32983370, 65966740]

約数ペア:

[(1, 65966740), (2, 32983370), (4, 16491685), (5, 13193348), (7, 9423820), (10, 6596674), (14, 4711910), (20, 3298337), (28, 2355955), (35, 1884764), (49, 1346260), (70, 942382), (83, 794780), (98, 673130), (140, 471191), (166, 397390), (196, 336565), (245, 269252), (332, 198695), (415, 158956), (490, 134626), (581, 113540), (811, 81340), (830, 79478), (980, 67313), (1162, 56770), (1622, 40670), (1660, 39739), (2324, 28385), (2905, 22708), (3244, 20335), (4055, 16268), (4067, 16220), (5677, 11620), (5810, 11354), (8110, 8134)]