87851280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{311}}^1$

素因数の和:445

約数の個数: 160

約数和(自身を含む): 300837888

約数和(自身を除く): 212986608

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 107, 110, 120, 132, 165, 176, 214, 220, 240, 264, 311, 321, 330, 428, 440, 528, 535, 622, 642, 660, 856, 880, 933, 1070, 1177, 1244, 1284, 1320, 1555, 1605, 1712, 1866, 2140, 2354, 2488, 2568, 2640, 3110, 3210, 3421, 3531, 3732, 4280, 4665, 4708, 4976, 5136, 5885, 6220, 6420, 6842, 7062, 7464, 8560, 9330, 9416, 10263, 11770, 12440, 12840, 13684, 14124, 14928, 17105, 17655, 18660, 18832, 20526, 23540, 24880, 25680, 27368, 28248, 33277, 34210, 35310, 37320, 41052, 47080, 51315, 54736, 56496, 66554, 68420, 70620, 74640, 82104, 94160, 99831, 102630, 133108, 136840, 141240, 164208, 166385, 199662, 205260, 266216, 273680, 282480, 332770, 366047, 399324, 410520, 499155, 532432, 665540, 732094, 798648, 821040, 998310, 1098141, 1331080, 1464188, 1597296, 1830235, 1996620, 2196282, 2662160, 2928376, 3660470, 3993240, 4392564, 5490705, 5856752, 7320940, 7986480, 8785128, 10981410, 14641880, 17570256, 21962820, 29283760, 43925640, 87851280]

約数ペア:

[(1, 87851280), (2, 43925640), (3, 29283760), (4, 21962820), (5, 17570256), (6, 14641880), (8, 10981410), (10, 8785128), (11, 7986480), (12, 7320940), (15, 5856752), (16, 5490705), (20, 4392564), (22, 3993240), (24, 3660470), (30, 2928376), (33, 2662160), (40, 2196282), (44, 1996620), (48, 1830235), (55, 1597296), (60, 1464188), (66, 1331080), (80, 1098141), (88, 998310), (107, 821040), (110, 798648), (120, 732094), (132, 665540), (165, 532432), (176, 499155), (214, 410520), (220, 399324), (240, 366047), (264, 332770), (311, 282480), (321, 273680), (330, 266216), (428, 205260), (440, 199662), (528, 166385), (535, 164208), (622, 141240), (642, 136840), (660, 133108), (856, 102630), (880, 99831), (933, 94160), (1070, 82104), (1177, 74640), (1244, 70620), (1284, 68420), (1320, 66554), (1555, 56496), (1605, 54736), (1712, 51315), (1866, 47080), (2140, 41052), (2354, 37320), (2488, 35310), (2568, 34210), (2640, 33277), (3110, 28248), (3210, 27368), (3421, 25680), (3531, 24880), (3732, 23540), (4280, 20526), (4665, 18832), (4708, 18660), (4976, 17655), (5136, 17105), (5885, 14928), (6220, 14124), (6420, 13684), (6842, 12840), (7062, 12440), (7464, 11770), (8560, 10263), (9330, 9416)]