81273480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{16519}}^1$

素因数の和:16574

約数の個数: 64

約数和(自身を含む): 249782400

約数和(自身を除く): 168508920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 164, 205, 246, 328, 410, 492, 615, 820, 984, 1230, 1640, 2460, 4920, 16519, 33038, 49557, 66076, 82595, 99114, 132152, 165190, 198228, 247785, 330380, 396456, 495570, 660760, 677279, 991140, 1354558, 1982280, 2031837, 2709116, 3386395, 4063674, 5418232, 6772790, 8127348, 10159185, 13545580, 16254696, 20318370, 27091160, 40636740, 81273480]

約数ペア:

[(1, 81273480), (2, 40636740), (3, 27091160), (4, 20318370), (5, 16254696), (6, 13545580), (8, 10159185), (10, 8127348), (12, 6772790), (15, 5418232), (20, 4063674), (24, 3386395), (30, 2709116), (40, 2031837), (41, 1982280), (60, 1354558), (82, 991140), (120, 677279), (123, 660760), (164, 495570), (205, 396456), (246, 330380), (328, 247785), (410, 198228), (492, 165190), (615, 132152), (820, 99114), (984, 82595), (1230, 66076), (1640, 49557), (2460, 33038), (4920, 16519)]