213880920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{521}}^1$

素因数の和:857

約数の個数: 128

約数和(自身を含む): 703572480

約数和(自身を除く): 489691560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 311, 330, 440, 521, 622, 660, 933, 1042, 1244, 1320, 1555, 1563, 1866, 2084, 2488, 2605, 3110, 3126, 3421, 3732, 4168, 4665, 5210, 5731, 6220, 6252, 6842, 7464, 7815, 9330, 10263, 10420, 11462, 12440, 12504, 13684, 15630, 17105, 17193, 18660, 20526, 20840, 22924, 27368, 28655, 31260, 34210, 34386, 37320, 41052, 45848, 51315, 57310, 62520, 68420, 68772, 82104, 85965, 102630, 114620, 136840, 137544, 162031, 171930, 205260, 229240, 324062, 343860, 410520, 486093, 648124, 687720, 810155, 972186, 1296248, 1620310, 1782341, 1944372, 2430465, 3240620, 3564682, 3888744, 4860930, 5347023, 6481240, 7129364, 8911705, 9721860, 10694046, 14258728, 17823410, 19443720, 21388092, 26735115, 35646820, 42776184, 53470230, 71293640, 106940460, 213880920]

約数ペア:

[(1, 213880920), (2, 106940460), (3, 71293640), (4, 53470230), (5, 42776184), (6, 35646820), (8, 26735115), (10, 21388092), (11, 19443720), (12, 17823410), (15, 14258728), (20, 10694046), (22, 9721860), (24, 8911705), (30, 7129364), (33, 6481240), (40, 5347023), (44, 4860930), (55, 3888744), (60, 3564682), (66, 3240620), (88, 2430465), (110, 1944372), (120, 1782341), (132, 1620310), (165, 1296248), (220, 972186), (264, 810155), (311, 687720), (330, 648124), (440, 486093), (521, 410520), (622, 343860), (660, 324062), (933, 229240), (1042, 205260), (1244, 171930), (1320, 162031), (1555, 137544), (1563, 136840), (1866, 114620), (2084, 102630), (2488, 85965), (2605, 82104), (3110, 68772), (3126, 68420), (3421, 62520), (3732, 57310), (4168, 51315), (4665, 45848), (5210, 41052), (5731, 37320), (6220, 34386), (6252, 34210), (6842, 31260), (7464, 28655), (7815, 27368), (9330, 22924), (10263, 20840), (10420, 20526), (11462, 18660), (12440, 17193), (12504, 17105), (13684, 15630)]