61391520

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{1579}}^1$

素因数の和:1609

約数の個数: 144

約数和(自身を含む): 217395360

約数和(自身を除く): 156003840

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, 243, 270, 288, 324, 360, 405, 432, 480, 486, 540, 648, 720, 810, 864, 972, 1080, 1215, 1296, 1440, 1579, 1620, 1944, 2160, 2430, 2592, 3158, 3240, 3888, 4320, 4737, 4860, 6316, 6480, 7776, 7895, 9474, 9720, 12632, 12960, 14211, 15790, 18948, 19440, 23685, 25264, 28422, 31580, 37896, 38880, 42633, 47370, 50528, 56844, 63160, 71055, 75792, 85266, 94740, 113688, 126320, 127899, 142110, 151584, 170532, 189480, 213165, 227376, 252640, 255798, 284220, 341064, 378960, 383697, 426330, 454752, 511596, 568440, 639495, 682128, 757920, 767394, 852660, 1023192, 1136880, 1278990, 1364256, 1534788, 1705320, 1918485, 2046384, 2273760, 2557980, 3069576, 3410640, 3836970, 4092768, 5115960, 6139152, 6821280, 7673940, 10231920, 12278304, 15347880, 20463840, 30695760, 61391520]

約数ペア:

[(1, 61391520), (2, 30695760), (3, 20463840), (4, 15347880), (5, 12278304), (6, 10231920), (8, 7673940), (9, 6821280), (10, 6139152), (12, 5115960), (15, 4092768), (16, 3836970), (18, 3410640), (20, 3069576), (24, 2557980), (27, 2273760), (30, 2046384), (32, 1918485), (36, 1705320), (40, 1534788), (45, 1364256), (48, 1278990), (54, 1136880), (60, 1023192), (72, 852660), (80, 767394), (81, 757920), (90, 682128), (96, 639495), (108, 568440), (120, 511596), (135, 454752), (144, 426330), (160, 383697), (162, 378960), (180, 341064), (216, 284220), (240, 255798), (243, 252640), (270, 227376), (288, 213165), (324, 189480), (360, 170532), (405, 151584), (432, 142110), (480, 127899), (486, 126320), (540, 113688), (648, 94740), (720, 85266), (810, 75792), (864, 71055), (972, 63160), (1080, 56844), (1215, 50528), (1296, 47370), (1440, 42633), (1579, 38880), (1620, 37896), (1944, 31580), (2160, 28422), (2430, 25264), (2592, 23685), (3158, 19440), (3240, 18948), (3888, 15790), (4320, 14211), (4737, 12960), (4860, 12632), (6316, 9720), (6480, 9474), (7776, 7895)]