4278780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2161}}^1$

素因数の和:2187

約数の個数: 72

約数和(自身を含む): 14165424

約数和(自身を除く): 9886644

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 2161, 4322, 6483, 8644, 10805, 12966, 19449, 21610, 23771, 25932, 32415, 38898, 43220, 47542, 64830, 71313, 77796, 95084, 97245, 118855, 129660, 142626, 194490, 213939, 237710, 285252, 356565, 388980, 427878, 475420, 713130, 855756, 1069695, 1426260, 2139390, 4278780]

約数ペア:

[(1, 4278780), (2, 2139390), (3, 1426260), (4, 1069695), (5, 855756), (6, 713130), (9, 475420), (10, 427878), (11, 388980), (12, 356565), (15, 285252), (18, 237710), (20, 213939), (22, 194490), (30, 142626), (33, 129660), (36, 118855), (44, 97245), (45, 95084), (55, 77796), (60, 71313), (66, 64830), (90, 47542), (99, 43220), (110, 38898), (132, 32415), (165, 25932), (180, 23771), (198, 21610), (220, 19449), (330, 12966), (396, 10805), (495, 8644), (660, 6483), (990, 4322), (1980, 2161)]