253310960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1$

素因数の和:391

約数の個数: 160

約数和(自身を含む): 714811392

約数和(自身を除く): 461500432

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 71, 80, 92, 112, 115, 140, 142, 161, 184, 230, 277, 280, 284, 322, 355, 368, 460, 497, 554, 560, 568, 644, 710, 805, 920, 994, 1108, 1136, 1288, 1385, 1420, 1610, 1633, 1840, 1939, 1988, 2216, 2485, 2576, 2770, 2840, 3220, 3266, 3878, 3976, 4432, 4970, 5540, 5680, 6371, 6440, 6532, 7756, 7952, 8165, 9695, 9940, 11080, 11431, 12742, 12880, 13064, 15512, 16330, 19390, 19667, 19880, 22160, 22862, 25484, 26128, 31024, 31855, 32660, 38780, 39334, 39760, 44597, 45724, 50968, 57155, 63710, 65320, 77560, 78668, 89194, 91448, 98335, 101936, 114310, 127420, 130640, 137669, 155120, 157336, 178388, 182896, 196670, 222985, 228620, 254840, 275338, 314672, 356776, 393340, 445970, 452341, 457240, 509680, 550676, 688345, 713552, 786680, 891940, 904682, 914480, 1101352, 1376690, 1573360, 1783880, 1809364, 2202704, 2261705, 2753380, 3166387, 3567760, 3618728, 4523410, 5506760, 6332774, 7237456, 9046820, 11013520, 12665548, 15831935, 18093640, 25331096, 31663870, 36187280, 50662192, 63327740, 126655480, 253310960]

約数ペア:

[(1, 253310960), (2, 126655480), (4, 63327740), (5, 50662192), (7, 36187280), (8, 31663870), (10, 25331096), (14, 18093640), (16, 15831935), (20, 12665548), (23, 11013520), (28, 9046820), (35, 7237456), (40, 6332774), (46, 5506760), (56, 4523410), (70, 3618728), (71, 3567760), (80, 3166387), (92, 2753380), (112, 2261705), (115, 2202704), (140, 1809364), (142, 1783880), (161, 1573360), (184, 1376690), (230, 1101352), (277, 914480), (280, 904682), (284, 891940), (322, 786680), (355, 713552), (368, 688345), (460, 550676), (497, 509680), (554, 457240), (560, 452341), (568, 445970), (644, 393340), (710, 356776), (805, 314672), (920, 275338), (994, 254840), (1108, 228620), (1136, 222985), (1288, 196670), (1385, 182896), (1420, 178388), (1610, 157336), (1633, 155120), (1840, 137669), (1939, 130640), (1988, 127420), (2216, 114310), (2485, 101936), (2576, 98335), (2770, 91448), (2840, 89194), (3220, 78668), (3266, 77560), (3878, 65320), (3976, 63710), (4432, 57155), (4970, 50968), (5540, 45724), (5680, 44597), (6371, 39760), (6440, 39334), (6532, 38780), (7756, 32660), (7952, 31855), (8165, 31024), (9695, 26128), (9940, 25484), (11080, 22862), (11431, 22160), (12742, 19880), (12880, 19667), (13064, 19390), (15512, 16330)]