257091120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{227}}^1$

素因数の和:281

約数の個数: 360

約数和(自身を含む): 1026528048

約数和(自身を除く): 769436928

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 16, 18, 20, 22, 24, 26, 30, 33, 36, 39, 40, 44, 45, 48, 52, 55, 60, 65, 66, 72, 78, 80, 88, 90, 99, 104, 110, 117, 120, 121, 130, 132, 143, 144, 156, 165, 176, 180, 195, 198, 208, 220, 227, 234, 240, 242, 260, 264, 286, 312, 330, 360, 363, 390, 396, 429, 440, 454, 468, 484, 495, 520, 528, 572, 585, 605, 624, 660, 681, 715, 720, 726, 780, 792, 858, 880, 908, 936, 968, 990, 1040, 1089, 1135, 1144, 1170, 1210, 1287, 1320, 1362, 1430, 1452, 1560, 1573, 1584, 1716, 1815, 1816, 1872, 1936, 1980, 2043, 2145, 2178, 2270, 2288, 2340, 2420, 2497, 2574, 2640, 2724, 2860, 2904, 2951, 3120, 3146, 3405, 3432, 3630, 3632, 3960, 4086, 4290, 4356, 4540, 4680, 4719, 4840, 4994, 5148, 5445, 5448, 5720, 5808, 5902, 6292, 6435, 6810, 6864, 7260, 7491, 7865, 7920, 8172, 8580, 8712, 8853, 9080, 9360, 9438, 9680, 9988, 10215, 10296, 10890, 10896, 11440, 11804, 12485, 12584, 12870, 13620, 14157, 14520, 14755, 14982, 15730, 16344, 17160, 17424, 17706, 18160, 18876, 19976, 20430, 20592, 21780, 22473, 23595, 23608, 24970, 25168, 25740, 26559, 27240, 27467, 28314, 29040, 29510, 29964, 31460, 32461, 32688, 34320, 35412, 37455, 37752, 39952, 40860, 43560, 44265, 44946, 47190, 47216, 49940, 51480, 53118, 54480, 54934, 56628, 59020, 59928, 62920, 64922, 70785, 70824, 74910, 75504, 81720, 82401, 87120, 88530, 89892, 94380, 97383, 99880, 102960, 106236, 109868, 112365, 113256, 118040, 119856, 125840, 129844, 132795, 137335, 141570, 141648, 149820, 162305, 163440, 164802, 177060, 179784, 188760, 194766, 199760, 212472, 219736, 224730, 226512, 236080, 247203, 259688, 265590, 274670, 283140, 292149, 299640, 324610, 329604, 354120, 357071, 359568, 377520, 389532, 412005, 424944, 439472, 449460, 486915, 494406, 519376, 531180, 549340, 566280, 584298, 599280, 649220, 659208, 708240, 714142, 779064, 824010, 898920, 973830, 988812, 1062360, 1071213, 1098680, 1132560, 1168596, 1236015, 1298440, 1318416, 1428284, 1460745, 1558128, 1648020, 1785355, 1797840, 1947660, 1977624, 2124720, 2142426, 2197360, 2337192, 2472030, 2596880, 2856568, 2921490, 3213639, 3296040, 3570710, 3895320, 3955248, 4284852, 4674384, 4944060, 5356065, 5713136, 5842980, 6427278, 6592080, 7141420, 7790640, 8569704, 9888120, 10712130, 11685960, 12854556, 14282840, 16068195, 17139408, 19776240, 21424260, 23371920, 25709112, 28565680, 32136390, 42848520, 51418224, 64272780, 85697040, 128545560, 257091120]

約数ペア:

[(1, 257091120), (2, 128545560), (3, 85697040), (4, 64272780), (5, 51418224), (6, 42848520), (8, 32136390), (9, 28565680), (10, 25709112), (11, 23371920), (12, 21424260), (13, 19776240), (15, 17139408), (16, 16068195), (18, 14282840), (20, 12854556), (22, 11685960), (24, 10712130), (26, 9888120), (30, 8569704), (33, 7790640), (36, 7141420), (39, 6592080), (40, 6427278), (44, 5842980), (45, 5713136), (48, 5356065), (52, 4944060), (55, 4674384), (60, 4284852), (65, 3955248), (66, 3895320), (72, 3570710), (78, 3296040), (80, 3213639), (88, 2921490), (90, 2856568), (99, 2596880), (104, 2472030), (110, 2337192), (117, 2197360), (120, 2142426), (121, 2124720), (130, 1977624), (132, 1947660), (143, 1797840), (144, 1785355), (156, 1648020), (165, 1558128), (176, 1460745), (180, 1428284), (195, 1318416), (198, 1298440), (208, 1236015), (220, 1168596), (227, 1132560), (234, 1098680), (240, 1071213), (242, 1062360), (260, 988812), (264, 973830), (286, 898920), (312, 824010), (330, 779064), (360, 714142), (363, 708240), (390, 659208), (396, 649220), (429, 599280), (440, 584298), (454, 566280), (468, 549340), (484, 531180), (495, 519376), (520, 494406), (528, 486915), (572, 449460), (585, 439472), (605, 424944), (624, 412005), (660, 389532), (681, 377520), (715, 359568), (720, 357071), (726, 354120), (780, 329604), (792, 324610), (858, 299640), (880, 292149), (908, 283140), (936, 274670), (968, 265590), (990, 259688), (1040, 247203), (1089, 236080), (1135, 226512), (1144, 224730), (1170, 219736), (1210, 212472), (1287, 199760), (1320, 194766), (1362, 188760), (1430, 179784), (1452, 177060), (1560, 164802), (1573, 163440), (1584, 162305), (1716, 149820), (1815, 141648), (1816, 141570), (1872, 137335), (1936, 132795), (1980, 129844), (2043, 125840), (2145, 119856), (2178, 118040), (2270, 113256), (2288, 112365), (2340, 109868), (2420, 106236), (2497, 102960), (2574, 99880), (2640, 97383), (2724, 94380), (2860, 89892), (2904, 88530), (2951, 87120), (3120, 82401), (3146, 81720), (3405, 75504), (3432, 74910), (3630, 70824), (3632, 70785), (3960, 64922), (4086, 62920), (4290, 59928), (4356, 59020), (4540, 56628), (4680, 54934), (4719, 54480), (4840, 53118), (4994, 51480), (5148, 49940), (5445, 47216), (5448, 47190), (5720, 44946), (5808, 44265), (5902, 43560), (6292, 40860), (6435, 39952), (6810, 37752), (6864, 37455), (7260, 35412), (7491, 34320), (7865, 32688), (7920, 32461), (8172, 31460), (8580, 29964), (8712, 29510), (8853, 29040), (9080, 28314), (9360, 27467), (9438, 27240), (9680, 26559), (9988, 25740), (10215, 25168), (10296, 24970), (10890, 23608), (10896, 23595), (11440, 22473), (11804, 21780), (12485, 20592), (12584, 20430), (12870, 19976), (13620, 18876), (14157, 18160), (14520, 17706), (14755, 17424), (14982, 17160), (15730, 16344)]