30200120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{503}}^1$

素因数の和:612

約数の個数: 64

約数和(自身を含む): 72576000

約数和(自身を除く): 42375880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 79, 95, 152, 158, 190, 316, 380, 395, 503, 632, 760, 790, 1006, 1501, 1580, 2012, 2515, 3002, 3160, 4024, 5030, 6004, 7505, 9557, 10060, 12008, 15010, 19114, 20120, 30020, 38228, 39737, 47785, 60040, 76456, 79474, 95570, 158948, 191140, 198685, 317896, 382280, 397370, 755003, 794740, 1510006, 1589480, 3020012, 3775015, 6040024, 7550030, 15100060, 30200120]

約数ペア:

[(1, 30200120), (2, 15100060), (4, 7550030), (5, 6040024), (8, 3775015), (10, 3020012), (19, 1589480), (20, 1510006), (38, 794740), (40, 755003), (76, 397370), (79, 382280), (95, 317896), (152, 198685), (158, 191140), (190, 158948), (316, 95570), (380, 79474), (395, 76456), (503, 60040), (632, 47785), (760, 39737), (790, 38228), (1006, 30020), (1501, 20120), (1580, 19114), (2012, 15010), (2515, 12008), (3002, 10060), (3160, 9557), (4024, 7505), (5030, 6004)]