81774480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:341

約数の個数: 160

約数和(自身を含む): 271411200

約数和(自身を除く): 189636720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 79, 80, 95, 114, 120, 152, 158, 190, 227, 228, 237, 240, 285, 304, 316, 380, 395, 454, 456, 474, 570, 632, 681, 760, 790, 908, 912, 948, 1135, 1140, 1185, 1264, 1362, 1501, 1520, 1580, 1816, 1896, 2270, 2280, 2370, 2724, 3002, 3160, 3405, 3632, 3792, 4313, 4503, 4540, 4560, 4740, 5448, 6004, 6320, 6810, 7505, 8626, 9006, 9080, 9480, 10896, 12008, 12939, 13620, 15010, 17252, 17933, 18012, 18160, 18960, 21565, 22515, 24016, 25878, 27240, 30020, 34504, 35866, 36024, 43130, 45030, 51756, 53799, 54480, 60040, 64695, 69008, 71732, 72048, 86260, 89665, 90060, 103512, 107598, 120080, 129390, 143464, 172520, 179330, 180120, 207024, 215196, 258780, 268995, 286928, 340727, 345040, 358660, 360240, 430392, 517560, 537990, 681454, 717320, 860784, 1022181, 1035120, 1075980, 1362908, 1434640, 1703635, 2044362, 2151960, 2725816, 3407270, 4088724, 4303920, 5110905, 5451632, 6814540, 8177448, 10221810, 13629080, 16354896, 20443620, 27258160, 40887240, 81774480]

約数ペア:

[(1, 81774480), (2, 40887240), (3, 27258160), (4, 20443620), (5, 16354896), (6, 13629080), (8, 10221810), (10, 8177448), (12, 6814540), (15, 5451632), (16, 5110905), (19, 4303920), (20, 4088724), (24, 3407270), (30, 2725816), (38, 2151960), (40, 2044362), (48, 1703635), (57, 1434640), (60, 1362908), (76, 1075980), (79, 1035120), (80, 1022181), (95, 860784), (114, 717320), (120, 681454), (152, 537990), (158, 517560), (190, 430392), (227, 360240), (228, 358660), (237, 345040), (240, 340727), (285, 286928), (304, 268995), (316, 258780), (380, 215196), (395, 207024), (454, 180120), (456, 179330), (474, 172520), (570, 143464), (632, 129390), (681, 120080), (760, 107598), (790, 103512), (908, 90060), (912, 89665), (948, 86260), (1135, 72048), (1140, 71732), (1185, 69008), (1264, 64695), (1362, 60040), (1501, 54480), (1520, 53799), (1580, 51756), (1816, 45030), (1896, 43130), (2270, 36024), (2280, 35866), (2370, 34504), (2724, 30020), (3002, 27240), (3160, 25878), (3405, 24016), (3632, 22515), (3792, 21565), (4313, 18960), (4503, 18160), (4540, 18012), (4560, 17933), (4740, 17252), (5448, 15010), (6004, 13620), (6320, 12939), (6810, 12008), (7505, 10896), (8626, 9480), (9006, 9080)]