310802580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{156971}}^1$

素因数の和:156997

約数の個数: 72

約数和(自身を含む): 1028480544

約数和(自身を除く): 717677964

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, 156971, 313942, 470913, 627884, 784855, 941826, 1412739, 1569710, 1726681, 1883652, 2354565, 2825478, 3139420, 3453362, 4709130, 5180043, 5650956, 6906724, 7063695, 8633405, 9418260, 10360086, 14127390, 15540129, 17266810, 20720172, 25900215, 28254780, 31080258, 34533620, 51800430, 62160516, 77700645, 103600860, 155401290, 310802580]

約数ペア:

[(1, 310802580), (2, 155401290), (3, 103600860), (4, 77700645), (5, 62160516), (6, 51800430), (9, 34533620), (10, 31080258), (11, 28254780), (12, 25900215), (15, 20720172), (18, 17266810), (20, 15540129), (22, 14127390), (30, 10360086), (33, 9418260), (36, 8633405), (44, 7063695), (45, 6906724), (55, 5650956), (60, 5180043), (66, 4709130), (90, 3453362), (99, 3139420), (110, 2825478), (132, 2354565), (165, 1883652), (180, 1726681), (198, 1569710), (220, 1412739), (330, 941826), (396, 784855), (495, 627884), (660, 470913), (990, 313942), (1980, 156971)]