231991620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{541}}^1\times {\mathrm{1021}}^1$

素因数の和:1581

約数の個数: 96

約数和(自身を含む): 744473856

約数和(自身を除く): 512482236

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 541, 1021, 1082, 1623, 2042, 2164, 2705, 3063, 3246, 3787, 4084, 5105, 5410, 6126, 6492, 7147, 7574, 8115, 10210, 10820, 11361, 12252, 14294, 15148, 15315, 16230, 18935, 20420, 21441, 22722, 28588, 30630, 32460, 35735, 37870, 42882, 45444, 56805, 61260, 71470, 75740, 85764, 107205, 113610, 142940, 214410, 227220, 428820, 552361, 1104722, 1657083, 2209444, 2761805, 3314166, 3866527, 5523610, 6628332, 7733054, 8285415, 11047220, 11599581, 15466108, 16570830, 19332635, 23199162, 33141660, 38665270, 46398324, 57997905, 77330540, 115995810, 231991620]

約数ペア:

[(1, 231991620), (2, 115995810), (3, 77330540), (4, 57997905), (5, 46398324), (6, 38665270), (7, 33141660), (10, 23199162), (12, 19332635), (14, 16570830), (15, 15466108), (20, 11599581), (21, 11047220), (28, 8285415), (30, 7733054), (35, 6628332), (42, 5523610), (60, 3866527), (70, 3314166), (84, 2761805), (105, 2209444), (140, 1657083), (210, 1104722), (420, 552361), (541, 428820), (1021, 227220), (1082, 214410), (1623, 142940), (2042, 113610), (2164, 107205), (2705, 85764), (3063, 75740), (3246, 71470), (3787, 61260), (4084, 56805), (5105, 45444), (5410, 42882), (6126, 37870), (6492, 35735), (7147, 32460), (7574, 30630), (8115, 28588), (10210, 22722), (10820, 21441), (11361, 20420), (12252, 18935), (14294, 16230), (15148, 15315)]