87742620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{839}}^1$

素因数の和:944

約数の個数: 144

約数和(自身を含む): 308206080

約数和(自身を除く): 220463460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 83, 84, 90, 105, 126, 140, 166, 180, 210, 249, 252, 315, 332, 415, 420, 498, 581, 630, 747, 830, 839, 996, 1162, 1245, 1260, 1494, 1660, 1678, 1743, 2324, 2490, 2517, 2905, 2988, 3356, 3486, 3735, 4195, 4980, 5034, 5229, 5810, 5873, 6972, 7470, 7551, 8390, 8715, 10068, 10458, 11620, 11746, 12585, 14940, 15102, 16780, 17430, 17619, 20916, 23492, 25170, 26145, 29365, 30204, 34860, 35238, 37755, 50340, 52290, 52857, 58730, 69637, 70476, 75510, 88095, 104580, 105714, 117460, 139274, 151020, 176190, 208911, 211428, 264285, 278548, 348185, 352380, 417822, 487459, 528570, 626733, 696370, 835644, 974918, 1044555, 1057140, 1253466, 1392740, 1462377, 1949836, 2089110, 2437295, 2506932, 2924754, 3133665, 4178220, 4387131, 4874590, 5849508, 6267330, 7311885, 8774262, 9749180, 12534660, 14623770, 17548524, 21935655, 29247540, 43871310, 87742620]

約数ペア:

[(1, 87742620), (2, 43871310), (3, 29247540), (4, 21935655), (5, 17548524), (6, 14623770), (7, 12534660), (9, 9749180), (10, 8774262), (12, 7311885), (14, 6267330), (15, 5849508), (18, 4874590), (20, 4387131), (21, 4178220), (28, 3133665), (30, 2924754), (35, 2506932), (36, 2437295), (42, 2089110), (45, 1949836), (60, 1462377), (63, 1392740), (70, 1253466), (83, 1057140), (84, 1044555), (90, 974918), (105, 835644), (126, 696370), (140, 626733), (166, 528570), (180, 487459), (210, 417822), (249, 352380), (252, 348185), (315, 278548), (332, 264285), (415, 211428), (420, 208911), (498, 176190), (581, 151020), (630, 139274), (747, 117460), (830, 105714), (839, 104580), (996, 88095), (1162, 75510), (1245, 70476), (1260, 69637), (1494, 58730), (1660, 52857), (1678, 52290), (1743, 50340), (2324, 37755), (2490, 35238), (2517, 34860), (2905, 30204), (2988, 29365), (3356, 26145), (3486, 25170), (3735, 23492), (4195, 20916), (4980, 17619), (5034, 17430), (5229, 16780), (5810, 15102), (5873, 14940), (6972, 12585), (7470, 11746), (7551, 11620), (8390, 10458), (8715, 10068)]