20172779730

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{577}}^1\times {\mathrm{4177}}^1$

素因数の和:4801

約数の個数: 128

約数和(自身を含む): 55638927360

約数和(自身を除く): 35466147630

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 45, 54, 62, 90, 93, 135, 155, 186, 270, 279, 310, 465, 558, 577, 837, 930, 1154, 1395, 1674, 1731, 2790, 2885, 3462, 4177, 4185, 5193, 5770, 8354, 8370, 8655, 10386, 12531, 15579, 17310, 17887, 20885, 25062, 25965, 31158, 35774, 37593, 41770, 51930, 53661, 62655, 75186, 77895, 89435, 107322, 112779, 125310, 129487, 155790, 160983, 178870, 187965, 225558, 258974, 268305, 321966, 375930, 388461, 482949, 536610, 563895, 647435, 776922, 804915, 965898, 1127790, 1165383, 1294870, 1609830, 1942305, 2330766, 2410129, 2414745, 3496149, 3884610, 4820258, 4829490, 5826915, 6992298, 7230387, 11653830, 12050645, 14460774, 17480745, 21691161, 24101290, 34961490, 36151935, 43382322, 65073483, 72303870, 74713999, 108455805, 130146966, 149427998, 216911610, 224141997, 325367415, 373569995, 448283994, 650734830, 672425991, 747139990, 1120709985, 1344851982, 2017277973, 2241419970, 3362129955, 4034555946, 6724259910, 10086389865, 20172779730]

約数ペア:

[(1, 20172779730), (2, 10086389865), (3, 6724259910), (5, 4034555946), (6, 3362129955), (9, 2241419970), (10, 2017277973), (15, 1344851982), (18, 1120709985), (27, 747139990), (30, 672425991), (31, 650734830), (45, 448283994), (54, 373569995), (62, 325367415), (90, 224141997), (93, 216911610), (135, 149427998), (155, 130146966), (186, 108455805), (270, 74713999), (279, 72303870), (310, 65073483), (465, 43382322), (558, 36151935), (577, 34961490), (837, 24101290), (930, 21691161), (1154, 17480745), (1395, 14460774), (1674, 12050645), (1731, 11653830), (2790, 7230387), (2885, 6992298), (3462, 5826915), (4177, 4829490), (4185, 4820258), (5193, 3884610), (5770, 3496149), (8354, 2414745), (8370, 2410129), (8655, 2330766), (10386, 1942305), (12531, 1609830), (15579, 1294870), (17310, 1165383), (17887, 1127790), (20885, 965898), (25062, 804915), (25965, 776922), (31158, 647435), (35774, 563895), (37593, 536610), (41770, 482949), (51930, 388461), (53661, 375930), (62655, 321966), (75186, 268305), (77895, 258974), (89435, 225558), (107322, 187965), (112779, 178870), (125310, 160983), (129487, 155790)]