71026480

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{18119}}^1$

素因数の和:18146

約数の個数: 60

約数和(自身を含む): 192108240

約数和(自身を除く): 121081760

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, 18119, 36238, 72476, 90595, 126833, 144952, 181190, 253666, 289904, 362380, 507332, 634165, 724760, 887831, 1014664, 1268330, 1449520, 1775662, 2029328, 2536660, 3551324, 4439155, 5073320, 7102648, 8878310, 10146640, 14205296, 17756620, 35513240, 71026480]

約数ペア:

[(1, 71026480), (2, 35513240), (4, 17756620), (5, 14205296), (7, 10146640), (8, 8878310), (10, 7102648), (14, 5073320), (16, 4439155), (20, 3551324), (28, 2536660), (35, 2029328), (40, 1775662), (49, 1449520), (56, 1268330), (70, 1014664), (80, 887831), (98, 724760), (112, 634165), (140, 507332), (196, 362380), (245, 289904), (280, 253666), (392, 181190), (490, 144952), (560, 126833), (784, 90595), (980, 72476), (1960, 36238), (3920, 18119)]