215730

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1$

素因数の和:80

約数の個数: 64

約数和(自身を含む): 622080

約数和(自身を除く): 406350

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 30, 34, 45, 47, 51, 54, 85, 90, 94, 102, 135, 141, 153, 170, 235, 255, 270, 282, 306, 423, 459, 470, 510, 705, 765, 799, 846, 918, 1269, 1410, 1530, 1598, 2115, 2295, 2397, 2538, 3995, 4230, 4590, 4794, 6345, 7191, 7990, 11985, 12690, 14382, 21573, 23970, 35955, 43146, 71910, 107865, 215730]

約数ペア:

[(1, 215730), (2, 107865), (3, 71910), (5, 43146), (6, 35955), (9, 23970), (10, 21573), (15, 14382), (17, 12690), (18, 11985), (27, 7990), (30, 7191), (34, 6345), (45, 4794), (47, 4590), (51, 4230), (54, 3995), (85, 2538), (90, 2397), (94, 2295), (102, 2115), (135, 1598), (141, 1530), (153, 1410), (170, 1269), (235, 918), (255, 846), (270, 799), (282, 765), (306, 705), (423, 510), (459, 470)]