87765990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1619}}^1$

素因数の和:1781

約数の個数: 64

約数和(自身を含む): 228614400

約数和(自身を除く): 140848410

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 139, 195, 278, 390, 417, 695, 834, 1390, 1619, 1807, 2085, 3238, 3614, 4170, 4857, 5421, 8095, 9035, 9714, 10842, 16190, 18070, 21047, 24285, 27105, 42094, 48570, 54210, 63141, 105235, 126282, 210470, 225041, 315705, 450082, 631410, 675123, 1125205, 1350246, 2250410, 2925533, 3375615, 5851066, 6751230, 8776599, 14627665, 17553198, 29255330, 43882995, 87765990]

約数ペア:

[(1, 87765990), (2, 43882995), (3, 29255330), (5, 17553198), (6, 14627665), (10, 8776599), (13, 6751230), (15, 5851066), (26, 3375615), (30, 2925533), (39, 2250410), (65, 1350246), (78, 1125205), (130, 675123), (139, 631410), (195, 450082), (278, 315705), (390, 225041), (417, 210470), (695, 126282), (834, 105235), (1390, 63141), (1619, 54210), (1807, 48570), (2085, 42094), (3238, 27105), (3614, 24285), (4170, 21047), (4857, 18070), (5421, 16190), (8095, 10842), (9035, 9714)]