1320802340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{461819}}^1$

素因数の和:461852

約数の個数: 48

約数和(自身を含む): 3258601920

約数和(自身を除く): 1937799580

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 461819, 923638, 1847276, 2309095, 4618190, 5080009, 6003647, 9236380, 10160018, 12007294, 20320036, 24014588, 25400045, 30018235, 50800090, 60036470, 66040117, 101600180, 120072940, 132080234, 264160468, 330200585, 660401170, 1320802340]

約数ペア:

[(1, 1320802340), (2, 660401170), (4, 330200585), (5, 264160468), (10, 132080234), (11, 120072940), (13, 101600180), (20, 66040117), (22, 60036470), (26, 50800090), (44, 30018235), (52, 25400045), (55, 24014588), (65, 20320036), (110, 12007294), (130, 10160018), (143, 9236380), (220, 6003647), (260, 5080009), (286, 4618190), (572, 2309095), (715, 1847276), (1430, 923638), (2860, 461819)]