55521720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{509}}^1$

素因数の和:630

約数の個数: 128

約数和(自身を含む): 187272000

約数和(自身を除く): 131750280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 101, 108, 120, 135, 180, 202, 216, 270, 303, 360, 404, 505, 509, 540, 606, 808, 909, 1010, 1018, 1080, 1212, 1515, 1527, 1818, 2020, 2036, 2424, 2545, 2727, 3030, 3054, 3636, 4040, 4072, 4545, 4581, 5090, 5454, 6060, 6108, 7272, 7635, 9090, 9162, 10180, 10908, 12120, 12216, 13635, 13743, 15270, 18180, 18324, 20360, 21816, 22905, 27270, 27486, 30540, 36360, 36648, 45810, 51409, 54540, 54972, 61080, 68715, 91620, 102818, 109080, 109944, 137430, 154227, 183240, 205636, 257045, 274860, 308454, 411272, 462681, 514090, 549720, 616908, 771135, 925362, 1028180, 1233816, 1388043, 1542270, 1850724, 2056360, 2313405, 2776086, 3084540, 3701448, 4626810, 5552172, 6169080, 6940215, 9253620, 11104344, 13880430, 18507240, 27760860, 55521720]

約数ペア:

[(1, 55521720), (2, 27760860), (3, 18507240), (4, 13880430), (5, 11104344), (6, 9253620), (8, 6940215), (9, 6169080), (10, 5552172), (12, 4626810), (15, 3701448), (18, 3084540), (20, 2776086), (24, 2313405), (27, 2056360), (30, 1850724), (36, 1542270), (40, 1388043), (45, 1233816), (54, 1028180), (60, 925362), (72, 771135), (90, 616908), (101, 549720), (108, 514090), (120, 462681), (135, 411272), (180, 308454), (202, 274860), (216, 257045), (270, 205636), (303, 183240), (360, 154227), (404, 137430), (505, 109944), (509, 109080), (540, 102818), (606, 91620), (808, 68715), (909, 61080), (1010, 54972), (1018, 54540), (1080, 51409), (1212, 45810), (1515, 36648), (1527, 36360), (1818, 30540), (2020, 27486), (2036, 27270), (2424, 22905), (2545, 21816), (2727, 20360), (3030, 18324), (3054, 18180), (3636, 15270), (4040, 13743), (4072, 13635), (4545, 12216), (4581, 12120), (5090, 10908), (5454, 10180), (6060, 9162), (6108, 9090), (7272, 7635)]