165315780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{131203}}^1$

素因数の和:131225

約数の個数: 72

約数和(自身を含む): 573099072

約数和(自身を除く): 407783292

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 131203, 262406, 393609, 524812, 656015, 787218, 918421, 1180827, 1312030, 1574436, 1836842, 1968045, 2361654, 2624060, 2755263, 3673684, 3936090, 4592105, 4723308, 5510526, 5904135, 7872180, 8265789, 9184210, 11021052, 11808270, 13776315, 16531578, 18368420, 23616540, 27552630, 33063156, 41328945, 55105260, 82657890, 165315780]

約数ペア:

[(1, 165315780), (2, 82657890), (3, 55105260), (4, 41328945), (5, 33063156), (6, 27552630), (7, 23616540), (9, 18368420), (10, 16531578), (12, 13776315), (14, 11808270), (15, 11021052), (18, 9184210), (20, 8265789), (21, 7872180), (28, 5904135), (30, 5510526), (35, 4723308), (36, 4592105), (42, 3936090), (45, 3673684), (60, 2755263), (63, 2624060), (70, 2361654), (84, 1968045), (90, 1836842), (105, 1574436), (126, 1312030), (140, 1180827), (180, 918421), (210, 787218), (252, 656015), (315, 524812), (420, 393609), (630, 262406), (1260, 131203)]