990930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:123

約数の個数: 64

約数和(自身を含む): 2643840

約数和(自身を除く): 1652910

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 29, 30, 34, 51, 58, 67, 85, 87, 102, 134, 145, 170, 174, 201, 255, 290, 335, 402, 435, 493, 510, 670, 870, 986, 1005, 1139, 1479, 1943, 2010, 2278, 2465, 2958, 3417, 3886, 4930, 5695, 5829, 6834, 7395, 9715, 11390, 11658, 14790, 17085, 19430, 29145, 33031, 34170, 58290, 66062, 99093, 165155, 198186, 330310, 495465, 990930]

約数ペア:

[(1, 990930), (2, 495465), (3, 330310), (5, 198186), (6, 165155), (10, 99093), (15, 66062), (17, 58290), (29, 34170), (30, 33031), (34, 29145), (51, 19430), (58, 17085), (67, 14790), (85, 11658), (87, 11390), (102, 9715), (134, 7395), (145, 6834), (170, 5829), (174, 5695), (201, 4930), (255, 3886), (290, 3417), (335, 2958), (402, 2465), (435, 2278), (493, 2010), (510, 1943), (670, 1479), (870, 1139), (986, 1005)]