218421720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2903}}^1$

素因数の和:2950

約数の個数: 192

約数和(自身を含む): 815443200

約数和(自身を除く): 597021480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 19, 20, 22, 24, 30, 33, 36, 38, 40, 44, 45, 55, 57, 60, 66, 72, 76, 88, 90, 95, 99, 110, 114, 120, 132, 152, 165, 171, 180, 190, 198, 209, 220, 228, 264, 285, 330, 342, 360, 380, 396, 418, 440, 456, 495, 570, 627, 660, 684, 760, 792, 836, 855, 990, 1045, 1140, 1254, 1320, 1368, 1672, 1710, 1881, 1980, 2090, 2280, 2508, 2903, 3135, 3420, 3762, 3960, 4180, 5016, 5806, 6270, 6840, 7524, 8360, 8709, 9405, 11612, 12540, 14515, 15048, 17418, 18810, 23224, 25080, 26127, 29030, 31933, 34836, 37620, 43545, 52254, 55157, 58060, 63866, 69672, 75240, 87090, 95799, 104508, 110314, 116120, 127732, 130635, 159665, 165471, 174180, 191598, 209016, 220628, 255464, 261270, 275785, 287397, 319330, 330942, 348360, 383196, 441256, 478995, 496413, 522540, 551570, 574794, 606727, 638660, 661884, 766392, 827355, 957990, 992826, 1045080, 1103140, 1149588, 1213454, 1277320, 1323768, 1436985, 1654710, 1820181, 1915980, 1985652, 2206280, 2299176, 2426908, 2482065, 2873970, 3033635, 3309420, 3640362, 3831960, 3971304, 4853816, 4964130, 5460543, 5747940, 6067270, 6618840, 7280724, 9100905, 9928260, 10921086, 11495880, 12134540, 14561448, 18201810, 19856520, 21842172, 24269080, 27302715, 36403620, 43684344, 54605430, 72807240, 109210860, 218421720]

約数ペア:

[(1, 218421720), (2, 109210860), (3, 72807240), (4, 54605430), (5, 43684344), (6, 36403620), (8, 27302715), (9, 24269080), (10, 21842172), (11, 19856520), (12, 18201810), (15, 14561448), (18, 12134540), (19, 11495880), (20, 10921086), (22, 9928260), (24, 9100905), (30, 7280724), (33, 6618840), (36, 6067270), (38, 5747940), (40, 5460543), (44, 4964130), (45, 4853816), (55, 3971304), (57, 3831960), (60, 3640362), (66, 3309420), (72, 3033635), (76, 2873970), (88, 2482065), (90, 2426908), (95, 2299176), (99, 2206280), (110, 1985652), (114, 1915980), (120, 1820181), (132, 1654710), (152, 1436985), (165, 1323768), (171, 1277320), (180, 1213454), (190, 1149588), (198, 1103140), (209, 1045080), (220, 992826), (228, 957990), (264, 827355), (285, 766392), (330, 661884), (342, 638660), (360, 606727), (380, 574794), (396, 551570), (418, 522540), (440, 496413), (456, 478995), (495, 441256), (570, 383196), (627, 348360), (660, 330942), (684, 319330), (760, 287397), (792, 275785), (836, 261270), (855, 255464), (990, 220628), (1045, 209016), (1140, 191598), (1254, 174180), (1320, 165471), (1368, 159665), (1672, 130635), (1710, 127732), (1881, 116120), (1980, 110314), (2090, 104508), (2280, 95799), (2508, 87090), (2903, 75240), (3135, 69672), (3420, 63866), (3762, 58060), (3960, 55157), (4180, 52254), (5016, 43545), (5806, 37620), (6270, 34836), (6840, 31933), (7524, 29030), (8360, 26127), (8709, 25080), (9405, 23224), (11612, 18810), (12540, 17418), (14515, 15048)]