15301972

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:137

約数の個数: 72

約数和(自身を含む): 34108928

約数和(自身を除く): 18806956

約数列:

[1, 2, 4, 7, 14, 17, 28, 31, 34, 61, 62, 68, 119, 122, 124, 217, 238, 244, 289, 427, 434, 476, 527, 578, 854, 868, 1037, 1054, 1156, 1708, 1891, 2023, 2074, 2108, 3689, 3782, 4046, 4148, 7259, 7378, 7564, 8092, 8959, 13237, 14518, 14756, 17629, 17918, 26474, 29036, 32147, 35258, 35836, 52948, 62713, 64294, 70516, 123403, 125426, 128588, 225029, 246806, 250852, 450058, 493612, 546499, 900116, 1092998, 2185996, 3825493, 7650986, 15301972]

約数ペア:

[(1, 15301972), (2, 7650986), (4, 3825493), (7, 2185996), (14, 1092998), (17, 900116), (28, 546499), (31, 493612), (34, 450058), (61, 250852), (62, 246806), (68, 225029), (119, 128588), (122, 125426), (124, 123403), (217, 70516), (238, 64294), (244, 62713), (289, 52948), (427, 35836), (434, 35258), (476, 32147), (527, 29036), (578, 26474), (854, 17918), (868, 17629), (1037, 14756), (1054, 14518), (1156, 13237), (1708, 8959), (1891, 8092), (2023, 7564), (2074, 7378), (2108, 7259), (3689, 4148), (3782, 4046)]