87647280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{257}}^1$

素因数の和:316

約数の個数: 240

約数和(自身を含む): 328237920

約数和(自身を除く): 240590640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 29, 30, 35, 40, 42, 48, 49, 56, 58, 60, 70, 80, 84, 87, 98, 105, 112, 116, 120, 140, 145, 147, 168, 174, 196, 203, 210, 232, 240, 245, 257, 280, 290, 294, 336, 348, 392, 406, 420, 435, 464, 490, 514, 560, 580, 588, 609, 696, 735, 771, 784, 812, 840, 870, 980, 1015, 1028, 1160, 1176, 1218, 1285, 1392, 1421, 1470, 1542, 1624, 1680, 1740, 1799, 1960, 2030, 2056, 2320, 2352, 2436, 2570, 2842, 2940, 3045, 3084, 3248, 3480, 3598, 3855, 3920, 4060, 4112, 4263, 4872, 5140, 5397, 5684, 5880, 6090, 6168, 6960, 7105, 7196, 7453, 7710, 8120, 8526, 8995, 9744, 10280, 10794, 11368, 11760, 12180, 12336, 12593, 14210, 14392, 14906, 15420, 16240, 17052, 17990, 20560, 21315, 21588, 22359, 22736, 24360, 25186, 26985, 28420, 28784, 29812, 30840, 34104, 35980, 37265, 37779, 42630, 43176, 44718, 48720, 50372, 52171, 53970, 56840, 59624, 61680, 62965, 68208, 71960, 74530, 75558, 85260, 86352, 89436, 100744, 104342, 107940, 111795, 113680, 119248, 125930, 143920, 149060, 151116, 156513, 170520, 178872, 188895, 201488, 208684, 215880, 223590, 251860, 260855, 298120, 302232, 313026, 341040, 357744, 365197, 377790, 417368, 431760, 447180, 503720, 521710, 596240, 604464, 626052, 730394, 755580, 782565, 834736, 894360, 1007440, 1043420, 1095591, 1252104, 1460788, 1511160, 1565130, 1788720, 1825985, 2086840, 2191182, 2504208, 2921576, 3022320, 3130260, 3651970, 4173680, 4382364, 5477955, 5843152, 6260520, 7303940, 8764728, 10955910, 12521040, 14607880, 17529456, 21911820, 29215760, 43823640, 87647280]

約数ペア:

[(1, 87647280), (2, 43823640), (3, 29215760), (4, 21911820), (5, 17529456), (6, 14607880), (7, 12521040), (8, 10955910), (10, 8764728), (12, 7303940), (14, 6260520), (15, 5843152), (16, 5477955), (20, 4382364), (21, 4173680), (24, 3651970), (28, 3130260), (29, 3022320), (30, 2921576), (35, 2504208), (40, 2191182), (42, 2086840), (48, 1825985), (49, 1788720), (56, 1565130), (58, 1511160), (60, 1460788), (70, 1252104), (80, 1095591), (84, 1043420), (87, 1007440), (98, 894360), (105, 834736), (112, 782565), (116, 755580), (120, 730394), (140, 626052), (145, 604464), (147, 596240), (168, 521710), (174, 503720), (196, 447180), (203, 431760), (210, 417368), (232, 377790), (240, 365197), (245, 357744), (257, 341040), (280, 313026), (290, 302232), (294, 298120), (336, 260855), (348, 251860), (392, 223590), (406, 215880), (420, 208684), (435, 201488), (464, 188895), (490, 178872), (514, 170520), (560, 156513), (580, 151116), (588, 149060), (609, 143920), (696, 125930), (735, 119248), (771, 113680), (784, 111795), (812, 107940), (840, 104342), (870, 100744), (980, 89436), (1015, 86352), (1028, 85260), (1160, 75558), (1176, 74530), (1218, 71960), (1285, 68208), (1392, 62965), (1421, 61680), (1470, 59624), (1542, 56840), (1624, 53970), (1680, 52171), (1740, 50372), (1799, 48720), (1960, 44718), (2030, 43176), (2056, 42630), (2320, 37779), (2352, 37265), (2436, 35980), (2570, 34104), (2842, 30840), (2940, 29812), (3045, 28784), (3084, 28420), (3248, 26985), (3480, 25186), (3598, 24360), (3855, 22736), (3920, 22359), (4060, 21588), (4112, 21315), (4263, 20560), (4872, 17990), (5140, 17052), (5397, 16240), (5684, 15420), (5880, 14906), (6090, 14392), (6168, 14210), (6960, 12593), (7105, 12336), (7196, 12180), (7453, 11760), (7710, 11368), (8120, 10794), (8526, 10280), (8995, 9744)]