87780560

素因数分解:

$2^4\times 5^1\times 7^4\times {\mathrm{457}}^1$

素因数の和:498

約数の個数: 100

約数和(自身を含む): 238611588

約数和(自身を除く): 150831028

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 457, 490, 560, 686, 784, 914, 980, 1372, 1715, 1828, 1960, 2285, 2401, 2744, 3199, 3430, 3656, 3920, 4570, 4802, 5488, 6398, 6860, 7312, 9140, 9604, 12005, 12796, 13720, 15995, 18280, 19208, 22393, 24010, 25592, 27440, 31990, 36560, 38416, 44786, 48020, 51184, 63980, 89572, 96040, 111965, 127960, 156751, 179144, 192080, 223930, 255920, 313502, 358288, 447860, 627004, 783755, 895720, 1097257, 1254008, 1567510, 1791440, 2194514, 2508016, 3135020, 4389028, 5486285, 6270040, 8778056, 10972570, 12540080, 17556112, 21945140, 43890280, 87780560]

約数ペア:

[(1, 87780560), (2, 43890280), (4, 21945140), (5, 17556112), (7, 12540080), (8, 10972570), (10, 8778056), (14, 6270040), (16, 5486285), (20, 4389028), (28, 3135020), (35, 2508016), (40, 2194514), (49, 1791440), (56, 1567510), (70, 1254008), (80, 1097257), (98, 895720), (112, 783755), (140, 627004), (196, 447860), (245, 358288), (280, 313502), (343, 255920), (392, 223930), (457, 192080), (490, 179144), (560, 156751), (686, 127960), (784, 111965), (914, 96040), (980, 89572), (1372, 63980), (1715, 51184), (1828, 48020), (1960, 44786), (2285, 38416), (2401, 36560), (2744, 31990), (3199, 27440), (3430, 25592), (3656, 24010), (3920, 22393), (4570, 19208), (4802, 18280), (5488, 15995), (6398, 13720), (6860, 12796), (7312, 12005), (9140, 9604)]