51371820

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1669}}^1$

素因数の和:1709

約数の個数: 120

約数和(自身を含む): 169738800

約数和(自身を除く): 118366980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 228, 270, 285, 324, 342, 380, 405, 513, 540, 570, 684, 810, 855, 1026, 1140, 1539, 1620, 1669, 1710, 2052, 2565, 3078, 3338, 3420, 5007, 5130, 6156, 6676, 7695, 8345, 10014, 10260, 15021, 15390, 16690, 20028, 25035, 30042, 30780, 31711, 33380, 45063, 50070, 60084, 63422, 75105, 90126, 95133, 100140, 126844, 135189, 150210, 158555, 180252, 190266, 225315, 270378, 285399, 300420, 317110, 380532, 450630, 475665, 540756, 570798, 634220, 675945, 856197, 901260, 951330, 1141596, 1351890, 1426995, 1712394, 1902660, 2568591, 2703780, 2853990, 3424788, 4280985, 5137182, 5707980, 8561970, 10274364, 12842955, 17123940, 25685910, 51371820]

約数ペア:

[(1, 51371820), (2, 25685910), (3, 17123940), (4, 12842955), (5, 10274364), (6, 8561970), (9, 5707980), (10, 5137182), (12, 4280985), (15, 3424788), (18, 2853990), (19, 2703780), (20, 2568591), (27, 1902660), (30, 1712394), (36, 1426995), (38, 1351890), (45, 1141596), (54, 951330), (57, 901260), (60, 856197), (76, 675945), (81, 634220), (90, 570798), (95, 540756), (108, 475665), (114, 450630), (135, 380532), (162, 317110), (171, 300420), (180, 285399), (190, 270378), (228, 225315), (270, 190266), (285, 180252), (324, 158555), (342, 150210), (380, 135189), (405, 126844), (513, 100140), (540, 95133), (570, 90126), (684, 75105), (810, 63422), (855, 60084), (1026, 50070), (1140, 45063), (1539, 33380), (1620, 31711), (1669, 30780), (1710, 30042), (2052, 25035), (2565, 20028), (3078, 16690), (3338, 15390), (3420, 15021), (5007, 10260), (5130, 10014), (6156, 8345), (6676, 7695)]