641557008

素因数分解:

$2^4\times 3^2\times {\mathrm{61}}^1\times {\mathrm{73037}}^1$

素因数の和:73112

約数の個数: 60

約数和(自身を含む): 1824927468

約数和(自身を除く): 1183370460

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 61, 72, 122, 144, 183, 244, 366, 488, 549, 732, 976, 1098, 1464, 2196, 2928, 4392, 8784, 73037, 146074, 219111, 292148, 438222, 584296, 657333, 876444, 1168592, 1314666, 1752888, 2629332, 3505776, 4455257, 5258664, 8910514, 10517328, 13365771, 17821028, 26731542, 35642056, 40097313, 53463084, 71284112, 80194626, 106926168, 160389252, 213852336, 320778504, 641557008]

約数ペア:

[(1, 641557008), (2, 320778504), (3, 213852336), (4, 160389252), (6, 106926168), (8, 80194626), (9, 71284112), (12, 53463084), (16, 40097313), (18, 35642056), (24, 26731542), (36, 17821028), (48, 13365771), (61, 10517328), (72, 8910514), (122, 5258664), (144, 4455257), (183, 3505776), (244, 2629332), (366, 1752888), (488, 1314666), (549, 1168592), (732, 876444), (976, 657333), (1098, 584296), (1464, 438222), (2196, 292148), (2928, 219111), (4392, 146074), (8784, 73037)]