1021830320

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{260671}}^1$

素因数の和:260698

約数の個数: 60

約数和(自身を含む): 2763644544

約数和(自身を除く): 1741814224

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, 392, 490, 560, 784, 980, 1960, 3920, 260671, 521342, 1042684, 1303355, 1824697, 2085368, 2606710, 3649394, 4170736, 5213420, 7298788, 9123485, 10426840, 12772879, 14597576, 18246970, 20853680, 25545758, 29195152, 36493940, 51091516, 63864395, 72987880, 102183032, 127728790, 145975760, 204366064, 255457580, 510915160, 1021830320]

約数ペア:

[(1, 1021830320), (2, 510915160), (4, 255457580), (5, 204366064), (7, 145975760), (8, 127728790), (10, 102183032), (14, 72987880), (16, 63864395), (20, 51091516), (28, 36493940), (35, 29195152), (40, 25545758), (49, 20853680), (56, 18246970), (70, 14597576), (80, 12772879), (98, 10426840), (112, 9123485), (140, 7298788), (196, 5213420), (245, 4170736), (280, 3649394), (392, 2606710), (490, 2085368), (560, 1824697), (784, 1303355), (980, 1042684), (1960, 521342), (3920, 260671)]