56991990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{10159}}^1$

素因数の和:10197

約数の個数: 64

約数和(自身を含む): 158008320

約数和(自身を除く): 101016330

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 17, 22, 30, 33, 34, 51, 55, 66, 85, 102, 110, 165, 170, 187, 255, 330, 374, 510, 561, 935, 1122, 1870, 2805, 5610, 10159, 20318, 30477, 50795, 60954, 101590, 111749, 152385, 172703, 223498, 304770, 335247, 345406, 518109, 558745, 670494, 863515, 1036218, 1117490, 1676235, 1727030, 1899733, 2590545, 3352470, 3799466, 5181090, 5699199, 9498665, 11398398, 18997330, 28495995, 56991990]

約数ペア:

[(1, 56991990), (2, 28495995), (3, 18997330), (5, 11398398), (6, 9498665), (10, 5699199), (11, 5181090), (15, 3799466), (17, 3352470), (22, 2590545), (30, 1899733), (33, 1727030), (34, 1676235), (51, 1117490), (55, 1036218), (66, 863515), (85, 670494), (102, 558745), (110, 518109), (165, 345406), (170, 335247), (187, 304770), (255, 223498), (330, 172703), (374, 152385), (510, 111749), (561, 101590), (935, 60954), (1122, 50795), (1870, 30477), (2805, 20318), (5610, 10159)]