65760920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{293}}^1$

素因数の和:516

約数の個数: 64

約数和(自身を含む): 154103040

約数和(自身を除く): 88342120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 181, 248, 293, 310, 362, 586, 620, 724, 905, 1172, 1240, 1448, 1465, 1810, 2344, 2930, 3620, 5611, 5860, 7240, 9083, 11222, 11720, 18166, 22444, 28055, 36332, 44888, 45415, 53033, 56110, 72664, 90830, 106066, 112220, 181660, 212132, 224440, 265165, 363320, 424264, 530330, 1060660, 1644023, 2121320, 3288046, 6576092, 8220115, 13152184, 16440230, 32880460, 65760920]

約数ペア:

[(1, 65760920), (2, 32880460), (4, 16440230), (5, 13152184), (8, 8220115), (10, 6576092), (20, 3288046), (31, 2121320), (40, 1644023), (62, 1060660), (124, 530330), (155, 424264), (181, 363320), (248, 265165), (293, 224440), (310, 212132), (362, 181660), (586, 112220), (620, 106066), (724, 90830), (905, 72664), (1172, 56110), (1240, 53033), (1448, 45415), (1465, 44888), (1810, 36332), (2344, 28055), (2930, 22444), (3620, 18166), (5611, 11720), (5860, 11222), (7240, 9083)]