2212740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1$

素因数の和:681

約数の個数: 72

約数和(自身を含む): 7076160

約数和(自身を除く): 4863420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 647, 684, 855, 1140, 1294, 1710, 1941, 2588, 3235, 3420, 3882, 5823, 6470, 7764, 9705, 11646, 12293, 12940, 19410, 23292, 24586, 29115, 36879, 38820, 49172, 58230, 61465, 73758, 110637, 116460, 122930, 147516, 184395, 221274, 245860, 368790, 442548, 553185, 737580, 1106370, 2212740]

約数ペア:

[(1, 2212740), (2, 1106370), (3, 737580), (4, 553185), (5, 442548), (6, 368790), (9, 245860), (10, 221274), (12, 184395), (15, 147516), (18, 122930), (19, 116460), (20, 110637), (30, 73758), (36, 61465), (38, 58230), (45, 49172), (57, 38820), (60, 36879), (76, 29115), (90, 24586), (95, 23292), (114, 19410), (171, 12940), (180, 12293), (190, 11646), (228, 9705), (285, 7764), (342, 6470), (380, 5823), (570, 3882), (647, 3420), (684, 3235), (855, 2588), (1140, 1941), (1294, 1710)]