64823440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3877}}^1$

素因数の和:3920

約数の個数: 80

約数和(自身を含む): 173113920

約数和(自身を除く): 108290480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 3344, 3877, 4180, 7754, 8360, 15508, 16720, 19385, 31016, 38770, 42647, 62032, 73663, 77540, 85294, 147326, 155080, 170588, 213235, 294652, 310160, 341176, 368315, 426470, 589304, 682352, 736630, 810293, 852940, 1178608, 1473260, 1620586, 1705880, 2946520, 3241172, 3411760, 4051465, 5893040, 6482344, 8102930, 12964688, 16205860, 32411720, 64823440]

約数ペア:

[(1, 64823440), (2, 32411720), (4, 16205860), (5, 12964688), (8, 8102930), (10, 6482344), (11, 5893040), (16, 4051465), (19, 3411760), (20, 3241172), (22, 2946520), (38, 1705880), (40, 1620586), (44, 1473260), (55, 1178608), (76, 852940), (80, 810293), (88, 736630), (95, 682352), (110, 589304), (152, 426470), (176, 368315), (190, 341176), (209, 310160), (220, 294652), (304, 213235), (380, 170588), (418, 155080), (440, 147326), (760, 85294), (836, 77540), (880, 73663), (1045, 62032), (1520, 42647), (1672, 38770), (2090, 31016), (3344, 19385), (3877, 16720), (4180, 15508), (7754, 8360)]