63986780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{1721}}^1$

素因数の和:1767

約数の個数: 72

約数和(自身を含む): 158823504

約数和(自身を除く): 94836724

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 169, 220, 260, 286, 338, 572, 676, 715, 845, 1430, 1690, 1721, 1859, 2860, 3380, 3442, 3718, 6884, 7436, 8605, 9295, 17210, 18590, 18931, 22373, 34420, 37180, 37862, 44746, 75724, 89492, 94655, 111865, 189310, 223730, 246103, 290849, 378620, 447460, 492206, 581698, 984412, 1163396, 1230515, 1454245, 2461030, 2908490, 3199339, 4922060, 5816980, 6398678, 12797356, 15996695, 31993390, 63986780]

約数ペア:

[(1, 63986780), (2, 31993390), (4, 15996695), (5, 12797356), (10, 6398678), (11, 5816980), (13, 4922060), (20, 3199339), (22, 2908490), (26, 2461030), (44, 1454245), (52, 1230515), (55, 1163396), (65, 984412), (110, 581698), (130, 492206), (143, 447460), (169, 378620), (220, 290849), (260, 246103), (286, 223730), (338, 189310), (572, 111865), (676, 94655), (715, 89492), (845, 75724), (1430, 44746), (1690, 37862), (1721, 37180), (1859, 34420), (2860, 22373), (3380, 18931), (3442, 18590), (3718, 17210), (6884, 9295), (7436, 8605)]