31487040

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2$

素因数の和:94

約数の個数: 252

約数和(自身を含む): 120793764

約数和(自身を除く): 89306724

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 29, 30, 32, 36, 39, 40, 45, 48, 52, 58, 60, 64, 65, 72, 78, 80, 87, 90, 96, 104, 116, 117, 120, 130, 144, 145, 156, 160, 174, 180, 192, 195, 208, 232, 234, 240, 260, 261, 288, 290, 312, 320, 348, 360, 377, 390, 416, 435, 464, 468, 480, 520, 522, 576, 580, 585, 624, 696, 720, 754, 780, 832, 841, 870, 928, 936, 960, 1040, 1044, 1131, 1160, 1170, 1248, 1305, 1392, 1440, 1508, 1560, 1682, 1740, 1856, 1872, 1885, 2080, 2088, 2262, 2320, 2340, 2496, 2523, 2610, 2784, 2880, 3016, 3120, 3364, 3393, 3480, 3744, 3770, 4160, 4176, 4205, 4524, 4640, 4680, 5046, 5220, 5568, 5655, 6032, 6240, 6728, 6786, 6960, 7488, 7540, 7569, 8352, 8410, 9048, 9280, 9360, 10092, 10440, 10933, 11310, 12064, 12480, 12615, 13456, 13572, 13920, 15080, 15138, 16704, 16820, 16965, 18096, 18720, 20184, 20880, 21866, 22620, 24128, 25230, 26912, 27144, 27840, 30160, 30276, 32799, 33640, 33930, 36192, 37440, 37845, 40368, 41760, 43732, 45240, 50460, 53824, 54288, 54665, 60320, 60552, 65598, 67280, 67860, 72384, 75690, 80736, 83520, 87464, 90480, 98397, 100920, 108576, 109330, 120640, 121104, 131196, 134560, 135720, 151380, 161472, 163995, 174928, 180960, 196794, 201840, 217152, 218660, 242208, 262392, 269120, 271440, 302760, 327990, 349856, 361920, 393588, 403680, 437320, 484416, 491985, 524784, 542880, 605520, 655980, 699712, 787176, 807360, 874640, 983970, 1049568, 1085760, 1211040, 1311960, 1574352, 1749280, 1967940, 2099136, 2422080, 2623920, 3148704, 3498560, 3935880, 5247840, 6297408, 7871760, 10495680, 15743520, 31487040]

約数ペア:

[(1, 31487040), (2, 15743520), (3, 10495680), (4, 7871760), (5, 6297408), (6, 5247840), (8, 3935880), (9, 3498560), (10, 3148704), (12, 2623920), (13, 2422080), (15, 2099136), (16, 1967940), (18, 1749280), (20, 1574352), (24, 1311960), (26, 1211040), (29, 1085760), (30, 1049568), (32, 983970), (36, 874640), (39, 807360), (40, 787176), (45, 699712), (48, 655980), (52, 605520), (58, 542880), (60, 524784), (64, 491985), (65, 484416), (72, 437320), (78, 403680), (80, 393588), (87, 361920), (90, 349856), (96, 327990), (104, 302760), (116, 271440), (117, 269120), (120, 262392), (130, 242208), (144, 218660), (145, 217152), (156, 201840), (160, 196794), (174, 180960), (180, 174928), (192, 163995), (195, 161472), (208, 151380), (232, 135720), (234, 134560), (240, 131196), (260, 121104), (261, 120640), (288, 109330), (290, 108576), (312, 100920), (320, 98397), (348, 90480), (360, 87464), (377, 83520), (390, 80736), (416, 75690), (435, 72384), (464, 67860), (468, 67280), (480, 65598), (520, 60552), (522, 60320), (576, 54665), (580, 54288), (585, 53824), (624, 50460), (696, 45240), (720, 43732), (754, 41760), (780, 40368), (832, 37845), (841, 37440), (870, 36192), (928, 33930), (936, 33640), (960, 32799), (1040, 30276), (1044, 30160), (1131, 27840), (1160, 27144), (1170, 26912), (1248, 25230), (1305, 24128), (1392, 22620), (1440, 21866), (1508, 20880), (1560, 20184), (1682, 18720), (1740, 18096), (1856, 16965), (1872, 16820), (1885, 16704), (2080, 15138), (2088, 15080), (2262, 13920), (2320, 13572), (2340, 13456), (2496, 12615), (2523, 12480), (2610, 12064), (2784, 11310), (2880, 10933), (3016, 10440), (3120, 10092), (3364, 9360), (3393, 9280), (3480, 9048), (3744, 8410), (3770, 8352), (4160, 7569), (4176, 7540), (4205, 7488), (4524, 6960), (4640, 6786), (4680, 6728), (5046, 6240), (5220, 6032), (5568, 5655)]