156989777680

素因数分解:

$2^4\times 5^1\times {\mathrm{743}}^1\times {\mathrm{929}}^1\times {\mathrm{2843}}^1$

素因数の和:4528

約数の個数: 80

約数和(自身を含む): 366014609280

約数和(自身を除く): 209024831600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 743, 929, 1486, 1858, 2843, 2972, 3715, 3716, 4645, 5686, 5944, 7430, 7432, 9290, 11372, 11888, 14215, 14860, 14864, 18580, 22744, 28430, 29720, 37160, 45488, 56860, 59440, 74320, 113720, 227440, 690247, 1380494, 2112349, 2641147, 2760988, 3451235, 4224698, 5282294, 5521976, 6902470, 8449396, 10561745, 10564588, 11043952, 13205735, 13804940, 16898792, 21123490, 21129176, 26411470, 27609880, 33797584, 42246980, 42258352, 52822940, 55219760, 84493960, 105645880, 168987920, 211291760, 1962372221, 3924744442, 7849488884, 9811861105, 15698977768, 19623722210, 31397955536, 39247444420, 78494888840, 156989777680]

約数ペア:

[(1, 156989777680), (2, 78494888840), (4, 39247444420), (5, 31397955536), (8, 19623722210), (10, 15698977768), (16, 9811861105), (20, 7849488884), (40, 3924744442), (80, 1962372221), (743, 211291760), (929, 168987920), (1486, 105645880), (1858, 84493960), (2843, 55219760), (2972, 52822940), (3715, 42258352), (3716, 42246980), (4645, 33797584), (5686, 27609880), (5944, 26411470), (7430, 21129176), (7432, 21123490), (9290, 16898792), (11372, 13804940), (11888, 13205735), (14215, 11043952), (14860, 10564588), (14864, 10561745), (18580, 8449396), (22744, 6902470), (28430, 5521976), (29720, 5282294), (37160, 4224698), (45488, 3451235), (56860, 2760988), (59440, 2641147), (74320, 2112349), (113720, 1380494), (227440, 690247)]