681257160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{727}}^1$

素因数の和:900

約数の個数: 192

約数和(自身を含む): 2350857600

約数和(自身を除く): 1669600440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 137, 152, 171, 180, 190, 228, 274, 285, 342, 360, 380, 411, 456, 548, 570, 684, 685, 727, 760, 822, 855, 1096, 1140, 1233, 1368, 1370, 1454, 1644, 1710, 2055, 2181, 2280, 2466, 2603, 2740, 2908, 3288, 3420, 3635, 4110, 4362, 4932, 5206, 5480, 5816, 6165, 6543, 6840, 7270, 7809, 8220, 8724, 9864, 10412, 10905, 12330, 13015, 13086, 13813, 14540, 15618, 16440, 17448, 20824, 21810, 23427, 24660, 26030, 26172, 27626, 29080, 31236, 32715, 39045, 41439, 43620, 46854, 49320, 52060, 52344, 55252, 62472, 65430, 69065, 78090, 82878, 87240, 93708, 99599, 104120, 110504, 117135, 124317, 130860, 138130, 156180, 165756, 187416, 199198, 207195, 234270, 248634, 261720, 276260, 298797, 312360, 331512, 398396, 414390, 468540, 497268, 497995, 552520, 597594, 621585, 796792, 828780, 896391, 937080, 994536, 995990, 1195188, 1243170, 1493985, 1657560, 1792782, 1892381, 1991980, 2390376, 2486340, 2987970, 3585564, 3784762, 3983960, 4481955, 4972680, 5677143, 5975940, 7171128, 7569524, 8963910, 9461905, 11354286, 11951880, 15139048, 17031429, 17927820, 18923810, 22708572, 28385715, 34062858, 35855640, 37847620, 45417144, 56771430, 68125716, 75695240, 85157145, 113542860, 136251432, 170314290, 227085720, 340628580, 681257160]

約数ペア:

[(1, 681257160), (2, 340628580), (3, 227085720), (4, 170314290), (5, 136251432), (6, 113542860), (8, 85157145), (9, 75695240), (10, 68125716), (12, 56771430), (15, 45417144), (18, 37847620), (19, 35855640), (20, 34062858), (24, 28385715), (30, 22708572), (36, 18923810), (38, 17927820), (40, 17031429), (45, 15139048), (57, 11951880), (60, 11354286), (72, 9461905), (76, 8963910), (90, 7569524), (95, 7171128), (114, 5975940), (120, 5677143), (137, 4972680), (152, 4481955), (171, 3983960), (180, 3784762), (190, 3585564), (228, 2987970), (274, 2486340), (285, 2390376), (342, 1991980), (360, 1892381), (380, 1792782), (411, 1657560), (456, 1493985), (548, 1243170), (570, 1195188), (684, 995990), (685, 994536), (727, 937080), (760, 896391), (822, 828780), (855, 796792), (1096, 621585), (1140, 597594), (1233, 552520), (1368, 497995), (1370, 497268), (1454, 468540), (1644, 414390), (1710, 398396), (2055, 331512), (2181, 312360), (2280, 298797), (2466, 276260), (2603, 261720), (2740, 248634), (2908, 234270), (3288, 207195), (3420, 199198), (3635, 187416), (4110, 165756), (4362, 156180), (4932, 138130), (5206, 130860), (5480, 124317), (5816, 117135), (6165, 110504), (6543, 104120), (6840, 99599), (7270, 93708), (7809, 87240), (8220, 82878), (8724, 78090), (9864, 69065), (10412, 65430), (10905, 62472), (12330, 55252), (13015, 52344), (13086, 52060), (13813, 49320), (14540, 46854), (15618, 43620), (16440, 41439), (17448, 39045), (20824, 32715), (21810, 31236), (23427, 29080), (24660, 27626), (26030, 26172)]