155880240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{649501}}^1$

素因数の和:649517

約数の個数: 40

約数和(自身を含む): 483229488

約数和(自身を除く): 327349248

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 649501, 1299002, 1948503, 2598004, 3247505, 3897006, 5196008, 6495010, 7794012, 9742515, 10392016, 12990020, 15588024, 19485030, 25980040, 31176048, 38970060, 51960080, 77940120, 155880240]

約数ペア:

[(1, 155880240), (2, 77940120), (3, 51960080), (4, 38970060), (5, 31176048), (6, 25980040), (8, 19485030), (10, 15588024), (12, 12990020), (15, 10392016), (16, 9742515), (20, 7794012), (24, 6495010), (30, 5196008), (40, 3897006), (48, 3247505), (60, 2598004), (80, 1948503), (120, 1299002), (240, 649501)]