156985487990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1999}}^1\times {\mathrm{7573}}^1$

素因数の和:9657

約数の個数: 64

約数和(自身を含む): 304293024000

約数和(自身を除く): 147307536010

約数列:

[1, 2, 5, 10, 17, 34, 61, 85, 122, 170, 305, 610, 1037, 1999, 2074, 3998, 5185, 7573, 9995, 10370, 15146, 19990, 33983, 37865, 67966, 75730, 121939, 128741, 169915, 243878, 257482, 339830, 461953, 609695, 643705, 923906, 1219390, 1287410, 2072963, 2309765, 4145926, 4619530, 7853201, 10364815, 15138427, 15706402, 20729630, 30276854, 39266005, 75692135, 78532010, 151384270, 257353259, 514706518, 923444047, 1286766295, 1846888094, 2573532590, 4617220235, 9234440470, 15698548799, 31397097598, 78492743995, 156985487990]

約数ペア:

[(1, 156985487990), (2, 78492743995), (5, 31397097598), (10, 15698548799), (17, 9234440470), (34, 4617220235), (61, 2573532590), (85, 1846888094), (122, 1286766295), (170, 923444047), (305, 514706518), (610, 257353259), (1037, 151384270), (1999, 78532010), (2074, 75692135), (3998, 39266005), (5185, 30276854), (7573, 20729630), (9995, 15706402), (10370, 15138427), (15146, 10364815), (19990, 7853201), (33983, 4619530), (37865, 4145926), (67966, 2309765), (75730, 2072963), (121939, 1287410), (128741, 1219390), (169915, 923906), (243878, 643705), (257482, 609695), (339830, 461953)]