72331920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{33487}}^1$

素因数の和:33509

約数の個数: 80

約数和(自身を含む): 249150720

約数和(自身を除く): 176818800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 33487, 66974, 100461, 133948, 167435, 200922, 267896, 301383, 334870, 401844, 502305, 535792, 602766, 669740, 803688, 904149, 1004610, 1205532, 1339480, 1506915, 1607376, 1808298, 2009220, 2411064, 2678960, 3013830, 3616596, 4018440, 4520745, 4822128, 6027660, 7233192, 8036880, 9041490, 12055320, 14466384, 18082980, 24110640, 36165960, 72331920]

約数ペア:

[(1, 72331920), (2, 36165960), (3, 24110640), (4, 18082980), (5, 14466384), (6, 12055320), (8, 9041490), (9, 8036880), (10, 7233192), (12, 6027660), (15, 4822128), (16, 4520745), (18, 4018440), (20, 3616596), (24, 3013830), (27, 2678960), (30, 2411064), (36, 2009220), (40, 1808298), (45, 1607376), (48, 1506915), (54, 1339480), (60, 1205532), (72, 1004610), (80, 904149), (90, 803688), (108, 669740), (120, 602766), (135, 535792), (144, 502305), (180, 401844), (216, 334870), (240, 301383), (270, 267896), (360, 200922), (432, 167435), (540, 133948), (720, 100461), (1080, 66974), (2160, 33487)]