220590

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:78

約数の個数: 64

約数和(自身を含む): 633600

約数和(自身を除く): 413010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 43, 45, 54, 57, 86, 90, 95, 114, 129, 135, 171, 190, 215, 258, 270, 285, 342, 387, 430, 513, 570, 645, 774, 817, 855, 1026, 1161, 1290, 1634, 1710, 1935, 2322, 2451, 2565, 3870, 4085, 4902, 5130, 5805, 7353, 8170, 11610, 12255, 14706, 22059, 24510, 36765, 44118, 73530, 110295, 220590]

約数ペア:

[(1, 220590), (2, 110295), (3, 73530), (5, 44118), (6, 36765), (9, 24510), (10, 22059), (15, 14706), (18, 12255), (19, 11610), (27, 8170), (30, 7353), (38, 5805), (43, 5130), (45, 4902), (54, 4085), (57, 3870), (86, 2565), (90, 2451), (95, 2322), (114, 1935), (129, 1710), (135, 1634), (171, 1290), (190, 1161), (215, 1026), (258, 855), (270, 817), (285, 774), (342, 645), (387, 570), (430, 513)]