81347070

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2957}}^1$

素因数の和:3105

約数の個数: 64

約数和(自身を含む): 224902656

約数和(自身を除く): 143555586

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 131, 210, 262, 393, 655, 786, 917, 1310, 1834, 1965, 2751, 2957, 3930, 4585, 5502, 5914, 8871, 9170, 13755, 14785, 17742, 20699, 27510, 29570, 41398, 44355, 62097, 88710, 103495, 124194, 206990, 310485, 387367, 620970, 774734, 1162101, 1936835, 2324202, 2711569, 3873670, 5423138, 5810505, 8134707, 11621010, 13557845, 16269414, 27115690, 40673535, 81347070]

約数ペア:

[(1, 81347070), (2, 40673535), (3, 27115690), (5, 16269414), (6, 13557845), (7, 11621010), (10, 8134707), (14, 5810505), (15, 5423138), (21, 3873670), (30, 2711569), (35, 2324202), (42, 1936835), (70, 1162101), (105, 774734), (131, 620970), (210, 387367), (262, 310485), (393, 206990), (655, 124194), (786, 103495), (917, 88710), (1310, 62097), (1834, 44355), (1965, 41398), (2751, 29570), (2957, 27510), (3930, 20699), (4585, 17742), (5502, 14785), (5914, 13755), (8871, 9170)]