40237920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{27943}}^1$

素因数の和:27964

約数の個数: 72

約数和(自身を含む): 137316816

約数和(自身を除く): 97078896

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 27943, 55886, 83829, 111772, 139715, 167658, 223544, 251487, 279430, 335316, 419145, 447088, 502974, 558860, 670632, 838290, 894176, 1005948, 1117720, 1257435, 1341264, 1676580, 2011896, 2235440, 2514870, 2682528, 3353160, 4023792, 4470880, 5029740, 6706320, 8047584, 10059480, 13412640, 20118960, 40237920]

約数ペア:

[(1, 40237920), (2, 20118960), (3, 13412640), (4, 10059480), (5, 8047584), (6, 6706320), (8, 5029740), (9, 4470880), (10, 4023792), (12, 3353160), (15, 2682528), (16, 2514870), (18, 2235440), (20, 2011896), (24, 1676580), (30, 1341264), (32, 1257435), (36, 1117720), (40, 1005948), (45, 894176), (48, 838290), (60, 670632), (72, 558860), (80, 502974), (90, 447088), (96, 419145), (120, 335316), (144, 279430), (160, 251487), (180, 223544), (240, 167658), (288, 139715), (360, 111772), (480, 83829), (720, 55886), (1440, 27943)]