81451920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{30853}}^1$

素因数の和:30880

約数の個数: 80

約数和(自身を含む): 275464512

約数和(自身を除く): 194012592

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 30853, 61706, 92559, 123412, 154265, 185118, 246824, 308530, 339383, 370236, 462795, 493648, 617060, 678766, 740472, 925590, 1018149, 1234120, 1357532, 1480944, 1696915, 1851180, 2036298, 2468240, 2715064, 3393830, 3702360, 4072596, 5090745, 5430128, 6787660, 7404720, 8145192, 10181490, 13575320, 16290384, 20362980, 27150640, 40725960, 81451920]

約数ペア:

[(1, 81451920), (2, 40725960), (3, 27150640), (4, 20362980), (5, 16290384), (6, 13575320), (8, 10181490), (10, 8145192), (11, 7404720), (12, 6787660), (15, 5430128), (16, 5090745), (20, 4072596), (22, 3702360), (24, 3393830), (30, 2715064), (33, 2468240), (40, 2036298), (44, 1851180), (48, 1696915), (55, 1480944), (60, 1357532), (66, 1234120), (80, 1018149), (88, 925590), (110, 740472), (120, 678766), (132, 617060), (165, 493648), (176, 462795), (220, 370236), (240, 339383), (264, 308530), (330, 246824), (440, 185118), (528, 154265), (660, 123412), (880, 92559), (1320, 61706), (2640, 30853)]