20154288960

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{538309}}^1$

素因数の和:538345

約数の個数: 168

約数和(自身を含む): 74654984040

約数和(自身を除く): 54500695080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 192, 195, 208, 234, 240, 260, 288, 312, 320, 360, 390, 416, 468, 480, 520, 576, 585, 624, 720, 780, 832, 936, 960, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2340, 2496, 2880, 3120, 3744, 4160, 4680, 6240, 7488, 9360, 12480, 18720, 37440, 538309, 1076618, 1614927, 2153236, 2691545, 3229854, 4306472, 4844781, 5383090, 6459708, 6998017, 8074635, 8612944, 9689562, 10766180, 12919416, 13996034, 16149270, 17225888, 19379124, 20994051, 21532360, 24223905, 25838832, 27992068, 32298540, 34451776, 34990085, 38758248, 41988102, 43064720, 48447810, 51677664, 55984136, 62982153, 64597080, 69980170, 77516496, 83976204, 86129440, 96895620, 103355328, 104970255, 111968272, 125964306, 129194160, 139960340, 155032992, 167952408, 172258880, 193791240, 209940510, 223936544, 251928612, 258388320, 279920680, 310065984, 314910765, 335904816, 387582480, 419881020, 447873088, 503857224, 516776640, 559841360, 629821530, 671809632, 775164960, 839762040, 1007714448, 1119682720, 1259643060, 1343619264, 1550329920, 1679524080, 2015428896, 2239365440, 2519286120, 3359048160, 4030857792, 5038572240, 6718096320, 10077144480, 20154288960]

約数ペア:

[(1, 20154288960), (2, 10077144480), (3, 6718096320), (4, 5038572240), (5, 4030857792), (6, 3359048160), (8, 2519286120), (9, 2239365440), (10, 2015428896), (12, 1679524080), (13, 1550329920), (15, 1343619264), (16, 1259643060), (18, 1119682720), (20, 1007714448), (24, 839762040), (26, 775164960), (30, 671809632), (32, 629821530), (36, 559841360), (39, 516776640), (40, 503857224), (45, 447873088), (48, 419881020), (52, 387582480), (60, 335904816), (64, 314910765), (65, 310065984), (72, 279920680), (78, 258388320), (80, 251928612), (90, 223936544), (96, 209940510), (104, 193791240), (117, 172258880), (120, 167952408), (130, 155032992), (144, 139960340), (156, 129194160), (160, 125964306), (180, 111968272), (192, 104970255), (195, 103355328), (208, 96895620), (234, 86129440), (240, 83976204), (260, 77516496), (288, 69980170), (312, 64597080), (320, 62982153), (360, 55984136), (390, 51677664), (416, 48447810), (468, 43064720), (480, 41988102), (520, 38758248), (576, 34990085), (585, 34451776), (624, 32298540), (720, 27992068), (780, 25838832), (832, 24223905), (936, 21532360), (960, 20994051), (1040, 19379124), (1170, 17225888), (1248, 16149270), (1440, 13996034), (1560, 12919416), (1872, 10766180), (2080, 9689562), (2340, 8612944), (2496, 8074635), (2880, 6998017), (3120, 6459708), (3744, 5383090), (4160, 4844781), (4680, 4306472), (6240, 3229854), (7488, 2691545), (9360, 2153236), (12480, 1614927), (18720, 1076618), (37440, 538309)]