20126880

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{1553}}^1$

素因数の和:1580

約数の個数: 120

約数和(自身を含む): 71076852

約数和(自身を除く): 50949972

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1553, 1620, 2160, 2592, 3106, 3240, 4320, 4659, 6212, 6480, 7765, 9318, 12424, 12960, 13977, 15530, 18636, 23295, 24848, 27954, 31060, 37272, 41931, 46590, 49696, 55908, 62120, 69885, 74544, 83862, 93180, 111816, 124240, 125793, 139770, 149088, 167724, 186360, 209655, 223632, 248480, 251586, 279540, 335448, 372720, 419310, 447264, 503172, 559080, 628965, 670896, 745440, 838620, 1006344, 1118160, 1257930, 1341792, 1677240, 2012688, 2236320, 2515860, 3354480, 4025376, 5031720, 6708960, 10063440, 20126880]

約数ペア:

[(1, 20126880), (2, 10063440), (3, 6708960), (4, 5031720), (5, 4025376), (6, 3354480), (8, 2515860), (9, 2236320), (10, 2012688), (12, 1677240), (15, 1341792), (16, 1257930), (18, 1118160), (20, 1006344), (24, 838620), (27, 745440), (30, 670896), (32, 628965), (36, 559080), (40, 503172), (45, 447264), (48, 419310), (54, 372720), (60, 335448), (72, 279540), (80, 251586), (81, 248480), (90, 223632), (96, 209655), (108, 186360), (120, 167724), (135, 149088), (144, 139770), (160, 125793), (162, 124240), (180, 111816), (216, 93180), (240, 83862), (270, 74544), (288, 69885), (324, 62120), (360, 55908), (405, 49696), (432, 46590), (480, 41931), (540, 37272), (648, 31060), (720, 27954), (810, 24848), (864, 23295), (1080, 18636), (1296, 15530), (1440, 13977), (1553, 12960), (1620, 12424), (2160, 9318), (2592, 7765), (3106, 6480), (3240, 6212), (4320, 4659)]