243779120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:144

約数の個数: 160

約数和(自身を含む): 655166400

約数和(自身を除く): 411387280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 73, 76, 80, 95, 104, 130, 146, 152, 169, 190, 208, 247, 260, 292, 304, 338, 365, 380, 494, 520, 584, 676, 730, 760, 845, 949, 988, 1040, 1168, 1235, 1352, 1387, 1460, 1520, 1690, 1898, 1976, 2197, 2470, 2704, 2774, 2920, 3211, 3380, 3796, 3952, 4394, 4745, 4940, 5548, 5840, 6422, 6760, 6935, 7592, 8788, 9490, 9880, 10985, 11096, 12337, 12844, 13520, 13870, 15184, 16055, 17576, 18031, 18980, 19760, 21970, 22192, 24674, 25688, 27740, 32110, 35152, 36062, 37960, 41743, 43940, 49348, 51376, 55480, 61685, 64220, 72124, 75920, 83486, 87880, 90155, 98696, 110960, 123370, 128440, 144248, 160381, 166972, 175760, 180310, 197392, 208715, 234403, 246740, 256880, 288496, 320762, 333944, 360620, 417430, 468806, 493480, 641524, 667888, 721240, 801905, 834860, 937612, 986960, 1172015, 1283048, 1442480, 1603810, 1669720, 1875224, 2344030, 2566096, 3047239, 3207620, 3339440, 3750448, 4688060, 6094478, 6415240, 9376120, 12188956, 12830480, 15236195, 18752240, 24377912, 30472390, 48755824, 60944780, 121889560, 243779120]

約数ペア:

[(1, 243779120), (2, 121889560), (4, 60944780), (5, 48755824), (8, 30472390), (10, 24377912), (13, 18752240), (16, 15236195), (19, 12830480), (20, 12188956), (26, 9376120), (38, 6415240), (40, 6094478), (52, 4688060), (65, 3750448), (73, 3339440), (76, 3207620), (80, 3047239), (95, 2566096), (104, 2344030), (130, 1875224), (146, 1669720), (152, 1603810), (169, 1442480), (190, 1283048), (208, 1172015), (247, 986960), (260, 937612), (292, 834860), (304, 801905), (338, 721240), (365, 667888), (380, 641524), (494, 493480), (520, 468806), (584, 417430), (676, 360620), (730, 333944), (760, 320762), (845, 288496), (949, 256880), (988, 246740), (1040, 234403), (1168, 208715), (1235, 197392), (1352, 180310), (1387, 175760), (1460, 166972), (1520, 160381), (1690, 144248), (1898, 128440), (1976, 123370), (2197, 110960), (2470, 98696), (2704, 90155), (2774, 87880), (2920, 83486), (3211, 75920), (3380, 72124), (3796, 64220), (3952, 61685), (4394, 55480), (4745, 51376), (4940, 49348), (5548, 43940), (5840, 41743), (6422, 37960), (6760, 36062), (6935, 35152), (7592, 32110), (8788, 27740), (9490, 25688), (9880, 24674), (10985, 22192), (11096, 21970), (12337, 19760), (12844, 18980), (13520, 18031), (13870, 17576), (15184, 16055)]