180726520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{3583}}^1$

素因数の和:3704

約数の個数: 64

約数和(自身を含む): 442552320

約数和(自身を除く): 261825800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 97, 104, 130, 194, 260, 388, 485, 520, 776, 970, 1261, 1940, 2522, 3583, 3880, 5044, 6305, 7166, 10088, 12610, 14332, 17915, 25220, 28664, 35830, 46579, 50440, 71660, 93158, 143320, 186316, 232895, 347551, 372632, 465790, 695102, 931580, 1390204, 1737755, 1863160, 2780408, 3475510, 4518163, 6951020, 9036326, 13902040, 18072652, 22590815, 36145304, 45181630, 90363260, 180726520]

約数ペア:

[(1, 180726520), (2, 90363260), (4, 45181630), (5, 36145304), (8, 22590815), (10, 18072652), (13, 13902040), (20, 9036326), (26, 6951020), (40, 4518163), (52, 3475510), (65, 2780408), (97, 1863160), (104, 1737755), (130, 1390204), (194, 931580), (260, 695102), (388, 465790), (485, 372632), (520, 347551), (776, 232895), (970, 186316), (1261, 143320), (1940, 93158), (2522, 71660), (3583, 50440), (3880, 46579), (5044, 35830), (6305, 28664), (7166, 25220), (10088, 17915), (12610, 14332)]