30581720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2557}}^1$

素因数の和:2604

約数の個数: 64

約数和(自身を含む): 77353920

約数和(自身を除く): 46772200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 104, 115, 130, 184, 230, 260, 299, 460, 520, 598, 920, 1196, 1495, 2392, 2557, 2990, 5114, 5980, 10228, 11960, 12785, 20456, 25570, 33241, 51140, 58811, 66482, 102280, 117622, 132964, 166205, 235244, 265928, 294055, 332410, 470488, 588110, 664820, 764543, 1176220, 1329640, 1529086, 2352440, 3058172, 3822715, 6116344, 7645430, 15290860, 30581720]

約数ペア:

[(1, 30581720), (2, 15290860), (4, 7645430), (5, 6116344), (8, 3822715), (10, 3058172), (13, 2352440), (20, 1529086), (23, 1329640), (26, 1176220), (40, 764543), (46, 664820), (52, 588110), (65, 470488), (92, 332410), (104, 294055), (115, 265928), (130, 235244), (184, 166205), (230, 132964), (260, 117622), (299, 102280), (460, 66482), (520, 58811), (598, 51140), (920, 33241), (1196, 25570), (1495, 20456), (2392, 12785), (2557, 11960), (2990, 10228), (5114, 5980)]