81466380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{337}}^1$

素因数の和:448

約数の個数: 144

約数和(自身を含む): 265749120

約数和(自身を除く): 184282740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 79, 85, 90, 102, 153, 158, 170, 180, 204, 237, 255, 306, 316, 337, 340, 395, 474, 510, 612, 674, 711, 765, 790, 948, 1011, 1020, 1185, 1343, 1348, 1422, 1530, 1580, 1685, 2022, 2370, 2686, 2844, 3033, 3060, 3370, 3555, 4029, 4044, 4740, 5055, 5372, 5729, 6066, 6715, 6740, 7110, 8058, 10110, 11458, 12087, 12132, 13430, 14220, 15165, 16116, 17187, 20145, 20220, 22916, 24174, 26623, 26860, 28645, 30330, 34374, 40290, 48348, 51561, 53246, 57290, 60435, 60660, 68748, 79869, 80580, 85935, 103122, 106492, 114580, 120870, 133115, 159738, 171870, 206244, 239607, 241740, 257805, 266230, 319476, 343740, 399345, 452591, 479214, 515610, 532460, 798690, 905182, 958428, 1031220, 1198035, 1357773, 1597380, 1810364, 2262955, 2396070, 2715546, 4073319, 4525910, 4792140, 5431092, 6788865, 8146638, 9051820, 13577730, 16293276, 20366595, 27155460, 40733190, 81466380]

約数ペア:

[(1, 81466380), (2, 40733190), (3, 27155460), (4, 20366595), (5, 16293276), (6, 13577730), (9, 9051820), (10, 8146638), (12, 6788865), (15, 5431092), (17, 4792140), (18, 4525910), (20, 4073319), (30, 2715546), (34, 2396070), (36, 2262955), (45, 1810364), (51, 1597380), (60, 1357773), (68, 1198035), (79, 1031220), (85, 958428), (90, 905182), (102, 798690), (153, 532460), (158, 515610), (170, 479214), (180, 452591), (204, 399345), (237, 343740), (255, 319476), (306, 266230), (316, 257805), (337, 241740), (340, 239607), (395, 206244), (474, 171870), (510, 159738), (612, 133115), (674, 120870), (711, 114580), (765, 106492), (790, 103122), (948, 85935), (1011, 80580), (1020, 79869), (1185, 68748), (1343, 60660), (1348, 60435), (1422, 57290), (1530, 53246), (1580, 51561), (1685, 48348), (2022, 40290), (2370, 34374), (2686, 30330), (2844, 28645), (3033, 26860), (3060, 26623), (3370, 24174), (3555, 22916), (4029, 20220), (4044, 20145), (4740, 17187), (5055, 16116), (5372, 15165), (5729, 14220), (6066, 13430), (6715, 12132), (6740, 12087), (7110, 11458), (8058, 10110)]