72355680

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{1861}}^1$

素因数の和:1891

約数の個数: 144

約数和(自身を含む): 256196304

約数和(自身を除く): 183840624

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, 1620, 1861, 1944, 2160, 2430, 2592, 3240, 3722, 3888, 4320, 4860, 5583, 6480, 7444, 7776, 9305, 9720, 11166, 12960, 14888, 16749, 18610, 19440, 22332, 27915, 29776, 33498, 37220, 38880, 44664, 50247, 55830, 59552, 66996, 74440, 83745, 89328, 100494, 111660, 133992, 148880, 150741, 167490, 178656, 200988, 223320, 251235, 267984, 297760, 301482, 334980, 401976, 446640, 452223, 502470, 535968, 602964, 669960, 753705, 803952, 893280, 904446, 1004940, 1205928, 1339920, 1507410, 1607904, 1808892, 2009880, 2261115, 2411856, 2679840, 3014820, 3617784, 4019760, 4522230, 4823712, 6029640, 7235568, 8039520, 9044460, 12059280, 14471136, 18088920, 24118560, 36177840, 72355680]

約数ペア:

[(1, 72355680), (2, 36177840), (3, 24118560), (4, 18088920), (5, 14471136), (6, 12059280), (8, 9044460), (9, 8039520), (10, 7235568), (12, 6029640), (15, 4823712), (16, 4522230), (18, 4019760), (20, 3617784), (24, 3014820), (27, 2679840), (30, 2411856), (32, 2261115), (36, 2009880), (40, 1808892), (45, 1607904), (48, 1507410), (54, 1339920), (60, 1205928), (72, 1004940), (80, 904446), (81, 893280), (90, 803952), (96, 753705), (108, 669960), (120, 602964), (135, 535968), (144, 502470), (160, 452223), (162, 446640), (180, 401976), (216, 334980), (240, 301482), (243, 297760), (270, 267984), (288, 251235), (324, 223320), (360, 200988), (405, 178656), (432, 167490), (480, 150741), (486, 148880), (540, 133992), (648, 111660), (720, 100494), (810, 89328), (864, 83745), (972, 74440), (1080, 66996), (1215, 59552), (1296, 55830), (1440, 50247), (1620, 44664), (1861, 38880), (1944, 37220), (2160, 33498), (2430, 29776), (2592, 27915), (3240, 22332), (3722, 19440), (3888, 18610), (4320, 16749), (4860, 14888), (5583, 12960), (6480, 11166), (7444, 9720), (7776, 9305)]