71147440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{337}}^1$

素因数の和:399

約数の個数: 160

約数和(自身を含む): 211236480

約数和(自身を除く): 140089040

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 29, 35, 40, 52, 56, 58, 65, 70, 80, 91, 104, 112, 116, 130, 140, 145, 182, 203, 208, 232, 260, 280, 290, 337, 364, 377, 406, 455, 464, 520, 560, 580, 674, 728, 754, 812, 910, 1015, 1040, 1160, 1348, 1456, 1508, 1624, 1685, 1820, 1885, 2030, 2320, 2359, 2639, 2696, 3016, 3248, 3370, 3640, 3770, 4060, 4381, 4718, 5278, 5392, 6032, 6740, 7280, 7540, 8120, 8762, 9436, 9773, 10556, 11795, 13195, 13480, 15080, 16240, 17524, 18872, 19546, 21112, 21905, 23590, 26390, 26960, 30160, 30667, 35048, 37744, 39092, 42224, 43810, 47180, 48865, 52780, 61334, 68411, 70096, 78184, 87620, 94360, 97730, 105560, 122668, 127049, 136822, 153335, 156368, 175240, 188720, 195460, 211120, 245336, 254098, 273644, 306670, 342055, 350480, 390920, 490672, 508196, 547288, 613340, 635245, 684110, 781840, 889343, 1016392, 1094576, 1226680, 1270490, 1368220, 1778686, 2032784, 2453360, 2540980, 2736440, 3557372, 4446715, 5081960, 5472880, 7114744, 8893430, 10163920, 14229488, 17786860, 35573720, 71147440]

約数ペア:

[(1, 71147440), (2, 35573720), (4, 17786860), (5, 14229488), (7, 10163920), (8, 8893430), (10, 7114744), (13, 5472880), (14, 5081960), (16, 4446715), (20, 3557372), (26, 2736440), (28, 2540980), (29, 2453360), (35, 2032784), (40, 1778686), (52, 1368220), (56, 1270490), (58, 1226680), (65, 1094576), (70, 1016392), (80, 889343), (91, 781840), (104, 684110), (112, 635245), (116, 613340), (130, 547288), (140, 508196), (145, 490672), (182, 390920), (203, 350480), (208, 342055), (232, 306670), (260, 273644), (280, 254098), (290, 245336), (337, 211120), (364, 195460), (377, 188720), (406, 175240), (455, 156368), (464, 153335), (520, 136822), (560, 127049), (580, 122668), (674, 105560), (728, 97730), (754, 94360), (812, 87620), (910, 78184), (1015, 70096), (1040, 68411), (1160, 61334), (1348, 52780), (1456, 48865), (1508, 47180), (1624, 43810), (1685, 42224), (1820, 39092), (1885, 37744), (2030, 35048), (2320, 30667), (2359, 30160), (2639, 26960), (2696, 26390), (3016, 23590), (3248, 21905), (3370, 21112), (3640, 19546), (3770, 18872), (4060, 17524), (4381, 16240), (4718, 15080), (5278, 13480), (5392, 13195), (6032, 11795), (6740, 10556), (7280, 9773), (7540, 9436), (8120, 8762)]