30739720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3677}}^1$

素因数の和:3718

約数の個数: 64

約数和(自身を含む): 79444800

約数和(自身を除く): 48705080

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 3677, 4180, 7354, 8360, 14708, 18385, 29416, 36770, 40447, 69863, 73540, 80894, 139726, 147080, 161788, 202235, 279452, 323576, 349315, 404470, 558904, 698630, 768493, 808940, 1397260, 1536986, 1617880, 2794520, 3073972, 3842465, 6147944, 7684930, 15369860, 30739720]

約数ペア:

[(1, 30739720), (2, 15369860), (4, 7684930), (5, 6147944), (8, 3842465), (10, 3073972), (11, 2794520), (19, 1617880), (20, 1536986), (22, 1397260), (38, 808940), (40, 768493), (44, 698630), (55, 558904), (76, 404470), (88, 349315), (95, 323576), (110, 279452), (152, 202235), (190, 161788), (209, 147080), (220, 139726), (380, 80894), (418, 73540), (440, 69863), (760, 40447), (836, 36770), (1045, 29416), (1672, 18385), (2090, 14708), (3677, 8360), (4180, 7354)]