155565840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{648191}}^1$

素因数の和:648207

約数の個数: 40

約数和(自身を含む): 482254848

約数和(自身を除く): 326689008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 648191, 1296382, 1944573, 2592764, 3240955, 3889146, 5185528, 6481910, 7778292, 9722865, 10371056, 12963820, 15556584, 19445730, 25927640, 31113168, 38891460, 51855280, 77782920, 155565840]

約数ペア:

[(1, 155565840), (2, 77782920), (3, 51855280), (4, 38891460), (5, 31113168), (6, 25927640), (8, 19445730), (10, 15556584), (12, 12963820), (15, 10371056), (16, 9722865), (20, 7778292), (24, 6481910), (30, 5185528), (40, 3889146), (48, 3240955), (60, 2592764), (80, 1944573), (120, 1296382), (240, 648191)]