80591720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{1213}}^1$

素因数の和:1386

約数の個数: 64

約数和(自身を含む): 199290240

約数和(自身を除く): 118698520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 151, 220, 302, 440, 604, 755, 1208, 1213, 1510, 1661, 2426, 3020, 3322, 4852, 6040, 6065, 6644, 8305, 9704, 12130, 13288, 13343, 16610, 24260, 26686, 33220, 48520, 53372, 66440, 66715, 106744, 133430, 183163, 266860, 366326, 533720, 732652, 915815, 1465304, 1831630, 2014793, 3663260, 4029586, 7326520, 8059172, 10073965, 16118344, 20147930, 40295860, 80591720]

約数ペア:

[(1, 80591720), (2, 40295860), (4, 20147930), (5, 16118344), (8, 10073965), (10, 8059172), (11, 7326520), (20, 4029586), (22, 3663260), (40, 2014793), (44, 1831630), (55, 1465304), (88, 915815), (110, 732652), (151, 533720), (220, 366326), (302, 266860), (440, 183163), (604, 133430), (755, 106744), (1208, 66715), (1213, 66440), (1510, 53372), (1661, 48520), (2426, 33220), (3020, 26686), (3322, 24260), (4852, 16610), (6040, 13343), (6065, 13288), (6644, 12130), (8305, 9704)]