86818760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{997}}^1$

素因数の和:1326

約数の個数: 64

約数和(自身を含む): 224190720

約数和(自身を除く): 137371960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 311, 622, 997, 1244, 1555, 1994, 2177, 2488, 3110, 3988, 4354, 4985, 6220, 6979, 7976, 8708, 9970, 10885, 12440, 13958, 17416, 19940, 21770, 27916, 34895, 39880, 43540, 55832, 69790, 87080, 139580, 279160, 310067, 620134, 1240268, 1550335, 2170469, 2480536, 3100670, 4340938, 6201340, 8681876, 10852345, 12402680, 17363752, 21704690, 43409380, 86818760]

約数ペア:

[(1, 86818760), (2, 43409380), (4, 21704690), (5, 17363752), (7, 12402680), (8, 10852345), (10, 8681876), (14, 6201340), (20, 4340938), (28, 3100670), (35, 2480536), (40, 2170469), (56, 1550335), (70, 1240268), (140, 620134), (280, 310067), (311, 279160), (622, 139580), (997, 87080), (1244, 69790), (1555, 55832), (1994, 43540), (2177, 39880), (2488, 34895), (3110, 27916), (3988, 21770), (4354, 19940), (4985, 17416), (6220, 13958), (6979, 12440), (7976, 10885), (8708, 9970)]