31301820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15809}}^1$

素因数の和:15835

約数の個数: 72

約数和(自身を含む): 103587120

約数和(自身を除く): 72285300

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, 15809, 31618, 47427, 63236, 79045, 94854, 142281, 158090, 173899, 189708, 237135, 284562, 316180, 347798, 474270, 521697, 569124, 695596, 711405, 869495, 948540, 1043394, 1422810, 1565091, 1738990, 2086788, 2608485, 2845620, 3130182, 3477980, 5216970, 6260364, 7825455, 10433940, 15650910, 31301820]

約数ペア:

[(1, 31301820), (2, 15650910), (3, 10433940), (4, 7825455), (5, 6260364), (6, 5216970), (9, 3477980), (10, 3130182), (11, 2845620), (12, 2608485), (15, 2086788), (18, 1738990), (20, 1565091), (22, 1422810), (30, 1043394), (33, 948540), (36, 869495), (44, 711405), (45, 695596), (55, 569124), (60, 521697), (66, 474270), (90, 347798), (99, 316180), (110, 284562), (132, 237135), (165, 189708), (180, 173899), (198, 158090), (220, 142281), (330, 94854), (396, 79045), (495, 63236), (660, 47427), (990, 31618), (1980, 15809)]