15122290

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:175

約数の個数: 48

約数和(自身を含む): 29626560

約数和(自身を除く): 14504270

約数列:

[1, 2, 5, 10, 19, 38, 59, 71, 95, 118, 142, 190, 295, 355, 361, 590, 710, 722, 1121, 1349, 1805, 2242, 2698, 3610, 4189, 5605, 6745, 8378, 11210, 13490, 20945, 21299, 25631, 41890, 42598, 51262, 79591, 106495, 128155, 159182, 212990, 256310, 397955, 795910, 1512229, 3024458, 7561145, 15122290]

約数ペア:

[(1, 15122290), (2, 7561145), (5, 3024458), (10, 1512229), (19, 795910), (38, 397955), (59, 256310), (71, 212990), (95, 159182), (118, 128155), (142, 106495), (190, 79591), (295, 51262), (355, 42598), (361, 41890), (590, 25631), (710, 21299), (722, 20945), (1121, 13490), (1349, 11210), (1805, 8378), (2242, 6745), (2698, 5605), (3610, 4189)]