66689490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^3\times {\mathrm{6481}}^1$

素因数の和:6512

約数の個数: 64

約数和(自身を含む): 186681600

約数和(自身を除く): 119992110

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 343, 490, 686, 735, 1029, 1470, 1715, 2058, 3430, 5145, 6481, 10290, 12962, 19443, 32405, 38886, 45367, 64810, 90734, 97215, 136101, 194430, 226835, 272202, 317569, 453670, 635138, 680505, 952707, 1361010, 1587845, 1905414, 2222983, 3175690, 4445966, 4763535, 6668949, 9527070, 11114915, 13337898, 22229830, 33344745, 66689490]

約数ペア:

[(1, 66689490), (2, 33344745), (3, 22229830), (5, 13337898), (6, 11114915), (7, 9527070), (10, 6668949), (14, 4763535), (15, 4445966), (21, 3175690), (30, 2222983), (35, 1905414), (42, 1587845), (49, 1361010), (70, 952707), (98, 680505), (105, 635138), (147, 453670), (210, 317569), (245, 272202), (294, 226835), (343, 194430), (490, 136101), (686, 97215), (735, 90734), (1029, 64810), (1470, 45367), (1715, 38886), (2058, 32405), (3430, 19443), (5145, 12962), (6481, 10290)]