78815520

素因数分解:

$2^5\times 3^2\times 5^1\times 7^2\times {\mathrm{1117}}^1$

素因数の和:1152

約数の個数: 216

約数和(自身を含む): 313149564

約数和(自身を除く): 234334044

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 336, 360, 392, 420, 441, 480, 490, 504, 560, 588, 630, 672, 720, 735, 784, 840, 882, 980, 1008, 1117, 1120, 1176, 1260, 1440, 1470, 1568, 1680, 1764, 1960, 2016, 2205, 2234, 2352, 2520, 2940, 3351, 3360, 3528, 3920, 4410, 4468, 4704, 5040, 5585, 5880, 6702, 7056, 7819, 7840, 8820, 8936, 10053, 10080, 11170, 11760, 13404, 14112, 15638, 16755, 17640, 17872, 20106, 22340, 23457, 23520, 26808, 31276, 33510, 35280, 35744, 39095, 40212, 44680, 46914, 50265, 53616, 54733, 62552, 67020, 70371, 70560, 78190, 80424, 89360, 93828, 100530, 107232, 109466, 117285, 125104, 134040, 140742, 156380, 160848, 164199, 178720, 187656, 201060, 218932, 234570, 250208, 268080, 273665, 281484, 312760, 321696, 328398, 351855, 375312, 402120, 437864, 469140, 492597, 536160, 547330, 562968, 625520, 656796, 703710, 750624, 804240, 820995, 875728, 938280, 985194, 1094660, 1125936, 1251040, 1313592, 1407420, 1608480, 1641990, 1751456, 1876560, 1970388, 2189320, 2251872, 2462985, 2627184, 2814840, 3283980, 3753120, 3940776, 4378640, 4925970, 5254368, 5629680, 6567960, 7881552, 8757280, 9851940, 11259360, 13135920, 15763104, 19703880, 26271840, 39407760, 78815520]

約数ペア:

[(1, 78815520), (2, 39407760), (3, 26271840), (4, 19703880), (5, 15763104), (6, 13135920), (7, 11259360), (8, 9851940), (9, 8757280), (10, 7881552), (12, 6567960), (14, 5629680), (15, 5254368), (16, 4925970), (18, 4378640), (20, 3940776), (21, 3753120), (24, 3283980), (28, 2814840), (30, 2627184), (32, 2462985), (35, 2251872), (36, 2189320), (40, 1970388), (42, 1876560), (45, 1751456), (48, 1641990), (49, 1608480), (56, 1407420), (60, 1313592), (63, 1251040), (70, 1125936), (72, 1094660), (80, 985194), (84, 938280), (90, 875728), (96, 820995), (98, 804240), (105, 750624), (112, 703710), (120, 656796), (126, 625520), (140, 562968), (144, 547330), (147, 536160), (160, 492597), (168, 469140), (180, 437864), (196, 402120), (210, 375312), (224, 351855), (240, 328398), (245, 321696), (252, 312760), (280, 281484), (288, 273665), (294, 268080), (315, 250208), (336, 234570), (360, 218932), (392, 201060), (420, 187656), (441, 178720), (480, 164199), (490, 160848), (504, 156380), (560, 140742), (588, 134040), (630, 125104), (672, 117285), (720, 109466), (735, 107232), (784, 100530), (840, 93828), (882, 89360), (980, 80424), (1008, 78190), (1117, 70560), (1120, 70371), (1176, 67020), (1260, 62552), (1440, 54733), (1470, 53616), (1568, 50265), (1680, 46914), (1764, 44680), (1960, 40212), (2016, 39095), (2205, 35744), (2234, 35280), (2352, 33510), (2520, 31276), (2940, 26808), (3351, 23520), (3360, 23457), (3528, 22340), (3920, 20106), (4410, 17872), (4468, 17640), (4704, 16755), (5040, 15638), (5585, 14112), (5880, 13404), (6702, 11760), (7056, 11170), (7819, 10080), (7840, 10053), (8820, 8936)]