20078048640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{804409}}^1$

素因数の和:804444

約数の個数: 128

約数和(自身を含む): 68921848800

約数和(自身を除く): 48843800160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1560, 1664, 1920, 2080, 2496, 3120, 4160, 4992, 6240, 8320, 12480, 24960, 804409, 1608818, 2413227, 3217636, 4022045, 4826454, 6435272, 8044090, 9652908, 10457317, 12066135, 12870544, 16088180, 19305816, 20914634, 24132270, 25741088, 31371951, 32176360, 38611632, 41829268, 48264540, 51482176, 52286585, 62743902, 64352720, 77223264, 83658536, 96529080, 102964352, 104573170, 125487804, 128705440, 154446528, 156859755, 167317072, 193058160, 209146340, 250975608, 257410880, 308893056, 313719510, 334634144, 386116320, 418292680, 501951216, 514821760, 627439020, 669268288, 772232640, 836585360, 1003902432, 1254878040, 1338536576, 1544465280, 1673170720, 2007804864, 2509756080, 3346341440, 4015609728, 5019512160, 6692682880, 10039024320, 20078048640]

約数ペア:

[(1, 20078048640), (2, 10039024320), (3, 6692682880), (4, 5019512160), (5, 4015609728), (6, 3346341440), (8, 2509756080), (10, 2007804864), (12, 1673170720), (13, 1544465280), (15, 1338536576), (16, 1254878040), (20, 1003902432), (24, 836585360), (26, 772232640), (30, 669268288), (32, 627439020), (39, 514821760), (40, 501951216), (48, 418292680), (52, 386116320), (60, 334634144), (64, 313719510), (65, 308893056), (78, 257410880), (80, 250975608), (96, 209146340), (104, 193058160), (120, 167317072), (128, 156859755), (130, 154446528), (156, 128705440), (160, 125487804), (192, 104573170), (195, 102964352), (208, 96529080), (240, 83658536), (260, 77223264), (312, 64352720), (320, 62743902), (384, 52286585), (390, 51482176), (416, 48264540), (480, 41829268), (520, 38611632), (624, 32176360), (640, 31371951), (780, 25741088), (832, 24132270), (960, 20914634), (1040, 19305816), (1248, 16088180), (1560, 12870544), (1664, 12066135), (1920, 10457317), (2080, 9652908), (2496, 8044090), (3120, 6435272), (4160, 4826454), (4992, 4022045), (6240, 3217636), (8320, 2413227), (12480, 1608818), (24960, 804409)]