81891210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{761}}^1$

素因数の和:999

約数の個数: 64

約数和(自身を含む): 209361024

約数和(自身を除く): 127469814

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 211, 255, 422, 510, 633, 761, 1055, 1266, 1522, 2110, 2283, 3165, 3587, 3805, 4566, 6330, 7174, 7610, 10761, 11415, 12937, 17935, 21522, 22830, 25874, 35870, 38811, 53805, 64685, 77622, 107610, 129370, 160571, 194055, 321142, 388110, 481713, 802855, 963426, 1605710, 2408565, 2729707, 4817130, 5459414, 8189121, 13648535, 16378242, 27297070, 40945605, 81891210]

約数ペア:

[(1, 81891210), (2, 40945605), (3, 27297070), (5, 16378242), (6, 13648535), (10, 8189121), (15, 5459414), (17, 4817130), (30, 2729707), (34, 2408565), (51, 1605710), (85, 963426), (102, 802855), (170, 481713), (211, 388110), (255, 321142), (422, 194055), (510, 160571), (633, 129370), (761, 107610), (1055, 77622), (1266, 64685), (1522, 53805), (2110, 38811), (2283, 35870), (3165, 25874), (3587, 22830), (3805, 21522), (4566, 17935), (6330, 12937), (7174, 11415), (7610, 10761)]