720143760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{428657}}^1$

素因数の和:428680

約数の個数: 80

約数和(自身を含む): 2551372416

約数和(自身を除く): 1831228656

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 428657, 857314, 1285971, 1714628, 2143285, 2571942, 3000599, 3429256, 4286570, 5143884, 6001198, 6429855, 6858512, 8573140, 9001797, 10287768, 12002396, 12859710, 15002995, 17146280, 18003594, 20575536, 24004792, 25719420, 30005990, 34292560, 36007188, 45008985, 48009584, 51438840, 60011980, 72014376, 90017970, 102877680, 120023960, 144028752, 180035940, 240047920, 360071880, 720143760]

約数ペア:

[(1, 720143760), (2, 360071880), (3, 240047920), (4, 180035940), (5, 144028752), (6, 120023960), (7, 102877680), (8, 90017970), (10, 72014376), (12, 60011980), (14, 51438840), (15, 48009584), (16, 45008985), (20, 36007188), (21, 34292560), (24, 30005990), (28, 25719420), (30, 24004792), (35, 20575536), (40, 18003594), (42, 17146280), (48, 15002995), (56, 12859710), (60, 12002396), (70, 10287768), (80, 9001797), (84, 8573140), (105, 6858512), (112, 6429855), (120, 6001198), (140, 5143884), (168, 4286570), (210, 3429256), (240, 3000599), (280, 2571942), (336, 2143285), (420, 1714628), (560, 1285971), (840, 857314), (1680, 428657)]