6637540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{521}}^1$

素因数の和:557

約数の個数: 72

約数和(自身を含む): 17495352

約数和(自身を除く): 10857812

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 521, 637, 910, 980, 1042, 1274, 1820, 2084, 2548, 2605, 3185, 3647, 5210, 6370, 6773, 7294, 10420, 12740, 13546, 14588, 18235, 25529, 27092, 33865, 36470, 47411, 51058, 67730, 72940, 94822, 102116, 127645, 135460, 189644, 237055, 255290, 331877, 474110, 510580, 663754, 948220, 1327508, 1659385, 3318770, 6637540]

約数ペア:

[(1, 6637540), (2, 3318770), (4, 1659385), (5, 1327508), (7, 948220), (10, 663754), (13, 510580), (14, 474110), (20, 331877), (26, 255290), (28, 237055), (35, 189644), (49, 135460), (52, 127645), (65, 102116), (70, 94822), (91, 72940), (98, 67730), (130, 51058), (140, 47411), (182, 36470), (196, 33865), (245, 27092), (260, 25529), (364, 18235), (455, 14588), (490, 13546), (521, 12740), (637, 10420), (910, 7294), (980, 6773), (1042, 6370), (1274, 5210), (1820, 3647), (2084, 3185), (2548, 2605)]