20275408080

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{3128921}}^1$

素因数の和:3128946

約数の個数: 100

約数和(自身を含む): 70419518532

約数和(自身を除く): 50144110452

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, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 3128921, 6257842, 9386763, 12515684, 15644605, 18773526, 25031368, 28160289, 31289210, 37547052, 46933815, 50062736, 56320578, 62578420, 75094104, 84480867, 93867630, 112641156, 125156840, 140801445, 150188208, 168961734, 187735260, 225282312, 250313680, 253442601, 281602890, 337923468, 375470520, 422404335, 450564624, 506885202, 563205780, 675846936, 750941040, 844808670, 1013770404, 1126411560, 1267213005, 1351693872, 1689617340, 2027540808, 2252823120, 2534426010, 3379234680, 4055081616, 5068852020, 6758469360, 10137704040, 20275408080]

約数ペア:

[(1, 20275408080), (2, 10137704040), (3, 6758469360), (4, 5068852020), (5, 4055081616), (6, 3379234680), (8, 2534426010), (9, 2252823120), (10, 2027540808), (12, 1689617340), (15, 1351693872), (16, 1267213005), (18, 1126411560), (20, 1013770404), (24, 844808670), (27, 750941040), (30, 675846936), (36, 563205780), (40, 506885202), (45, 450564624), (48, 422404335), (54, 375470520), (60, 337923468), (72, 281602890), (80, 253442601), (81, 250313680), (90, 225282312), (108, 187735260), (120, 168961734), (135, 150188208), (144, 140801445), (162, 125156840), (180, 112641156), (216, 93867630), (240, 84480867), (270, 75094104), (324, 62578420), (360, 56320578), (405, 50062736), (432, 46933815), (540, 37547052), (648, 31289210), (720, 28160289), (810, 25031368), (1080, 18773526), (1296, 15644605), (1620, 12515684), (2160, 9386763), (3240, 6257842), (6480, 3128921)]