8169280

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{521}}^1$

素因数の和:552

約数の個数: 84

約数和(自身を含む): 22672548

約数和(自身を除く): 14503268

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 521, 560, 784, 980, 1042, 1120, 1568, 1960, 2084, 2240, 2605, 3136, 3647, 3920, 4168, 5210, 7294, 7840, 8336, 10420, 14588, 15680, 16672, 18235, 20840, 25529, 29176, 33344, 36470, 41680, 51058, 58352, 72940, 83360, 102116, 116704, 127645, 145880, 166720, 204232, 233408, 255290, 291760, 408464, 510580, 583520, 816928, 1021160, 1167040, 1633856, 2042320, 4084640, 8169280]

約数ペア:

[(1, 8169280), (2, 4084640), (4, 2042320), (5, 1633856), (7, 1167040), (8, 1021160), (10, 816928), (14, 583520), (16, 510580), (20, 408464), (28, 291760), (32, 255290), (35, 233408), (40, 204232), (49, 166720), (56, 145880), (64, 127645), (70, 116704), (80, 102116), (98, 83360), (112, 72940), (140, 58352), (160, 51058), (196, 41680), (224, 36470), (245, 33344), (280, 29176), (320, 25529), (392, 20840), (448, 18235), (490, 16672), (521, 15680), (560, 14588), (784, 10420), (980, 8336), (1042, 7840), (1120, 7294), (1568, 5210), (1960, 4168), (2084, 3920), (2240, 3647), (2605, 3136)]