15673240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{199}}^1$

素因数の和:400

約数の個数: 64

約数和(自身を含む): 38880000

約数和(自身を除く): 23206760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 179, 199, 220, 358, 398, 440, 716, 796, 895, 995, 1432, 1592, 1790, 1969, 1990, 2189, 3580, 3938, 3980, 4378, 7160, 7876, 7960, 8756, 9845, 10945, 15752, 17512, 19690, 21890, 35621, 39380, 43780, 71242, 78760, 87560, 142484, 178105, 284968, 356210, 391831, 712420, 783662, 1424840, 1567324, 1959155, 3134648, 3918310, 7836620, 15673240]

約数ペア:

[(1, 15673240), (2, 7836620), (4, 3918310), (5, 3134648), (8, 1959155), (10, 1567324), (11, 1424840), (20, 783662), (22, 712420), (40, 391831), (44, 356210), (55, 284968), (88, 178105), (110, 142484), (179, 87560), (199, 78760), (220, 71242), (358, 43780), (398, 39380), (440, 35621), (716, 21890), (796, 19690), (895, 17512), (995, 15752), (1432, 10945), (1592, 9845), (1790, 8756), (1969, 7960), (1990, 7876), (2189, 7160), (3580, 4378), (3938, 3980)]