85251320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{311}}^1$

素因数の和:429

約数の個数: 128

約数和(自身を含む): 242611200

約数和(自身を除く): 157359880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 89, 110, 140, 154, 178, 220, 280, 308, 311, 356, 385, 440, 445, 616, 622, 623, 712, 770, 890, 979, 1244, 1246, 1540, 1555, 1780, 1958, 2177, 2488, 2492, 3080, 3110, 3115, 3421, 3560, 3916, 4354, 4895, 4984, 6220, 6230, 6842, 6853, 7832, 8708, 9790, 10885, 12440, 12460, 13684, 13706, 17105, 17416, 19580, 21770, 23947, 24920, 27368, 27412, 27679, 34210, 34265, 39160, 43540, 47894, 54824, 55358, 68420, 68530, 87080, 95788, 110716, 119735, 136840, 137060, 138395, 191576, 193753, 221432, 239470, 274120, 276790, 304469, 387506, 478940, 553580, 608938, 775012, 957880, 968765, 1107160, 1217876, 1522345, 1550024, 1937530, 2131283, 2435752, 3044690, 3875060, 4262566, 6089380, 7750120, 8525132, 10656415, 12178760, 17050264, 21312830, 42625660, 85251320]

約数ペア:

[(1, 85251320), (2, 42625660), (4, 21312830), (5, 17050264), (7, 12178760), (8, 10656415), (10, 8525132), (11, 7750120), (14, 6089380), (20, 4262566), (22, 3875060), (28, 3044690), (35, 2435752), (40, 2131283), (44, 1937530), (55, 1550024), (56, 1522345), (70, 1217876), (77, 1107160), (88, 968765), (89, 957880), (110, 775012), (140, 608938), (154, 553580), (178, 478940), (220, 387506), (280, 304469), (308, 276790), (311, 274120), (356, 239470), (385, 221432), (440, 193753), (445, 191576), (616, 138395), (622, 137060), (623, 136840), (712, 119735), (770, 110716), (890, 95788), (979, 87080), (1244, 68530), (1246, 68420), (1540, 55358), (1555, 54824), (1780, 47894), (1958, 43540), (2177, 39160), (2488, 34265), (2492, 34210), (3080, 27679), (3110, 27412), (3115, 27368), (3421, 24920), (3560, 23947), (3916, 21770), (4354, 19580), (4895, 17416), (4984, 17105), (6220, 13706), (6230, 13684), (6842, 12460), (6853, 12440), (7832, 10885), (8708, 9790)]