2812590

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{947}}^1$

素因数の和:974

約数の個数: 64

約数和(自身を含む): 8190720

約数和(自身を除く): 5378130

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 90, 99, 110, 135, 165, 198, 270, 297, 330, 495, 594, 947, 990, 1485, 1894, 2841, 2970, 4735, 5682, 8523, 9470, 10417, 14205, 17046, 20834, 25569, 28410, 31251, 42615, 51138, 52085, 62502, 85230, 93753, 104170, 127845, 156255, 187506, 255690, 281259, 312510, 468765, 562518, 937530, 1406295, 2812590]

約数ペア:

[(1, 2812590), (2, 1406295), (3, 937530), (5, 562518), (6, 468765), (9, 312510), (10, 281259), (11, 255690), (15, 187506), (18, 156255), (22, 127845), (27, 104170), (30, 93753), (33, 85230), (45, 62502), (54, 52085), (55, 51138), (66, 42615), (90, 31251), (99, 28410), (110, 25569), (135, 20834), (165, 17046), (198, 14205), (270, 10417), (297, 9470), (330, 8523), (495, 5682), (594, 4735), (947, 2970), (990, 2841), (1485, 1894)]