12715660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{251}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 28576800

約数和(自身を除く): 15861140

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 149, 170, 251, 298, 340, 502, 596, 745, 1004, 1255, 1490, 2510, 2533, 2980, 4267, 5020, 5066, 8534, 10132, 12665, 17068, 21335, 25330, 37399, 42670, 50660, 74798, 85340, 149596, 186995, 373990, 635783, 747980, 1271566, 2543132, 3178915, 6357830, 12715660]

約数ペア:

[(1, 12715660), (2, 6357830), (4, 3178915), (5, 2543132), (10, 1271566), (17, 747980), (20, 635783), (34, 373990), (68, 186995), (85, 149596), (149, 85340), (170, 74798), (251, 50660), (298, 42670), (340, 37399), (502, 25330), (596, 21335), (745, 17068), (1004, 12665), (1255, 10132), (1490, 8534), (2510, 5066), (2533, 5020), (2980, 4267)]