201216720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{838403}}^1$

素因数の和:838419

約数の個数: 40

約数和(自身を含む): 623772576

約数和(自身を除く): 422555856

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 838403, 1676806, 2515209, 3353612, 4192015, 5030418, 6707224, 8384030, 10060836, 12576045, 13414448, 16768060, 20121672, 25152090, 33536120, 40243344, 50304180, 67072240, 100608360, 201216720]

約数ペア:

[(1, 201216720), (2, 100608360), (3, 67072240), (4, 50304180), (5, 40243344), (6, 33536120), (8, 25152090), (10, 20121672), (12, 16768060), (15, 13414448), (16, 12576045), (20, 10060836), (24, 8384030), (30, 6707224), (40, 5030418), (48, 4192015), (60, 3353612), (80, 2515209), (120, 1676806), (240, 838403)]