1617752720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1064311}}^1$

素因数の和:1064343

約数の個数: 40

約数和(自身を含む): 3959240640

約数和(自身を除く): 2341487920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1064311, 2128622, 4257244, 5321555, 8514488, 10643110, 17028976, 20221909, 21286220, 40443818, 42572440, 80887636, 85144880, 101109545, 161775272, 202219090, 323550544, 404438180, 808876360, 1617752720]

約数ペア:

[(1, 1617752720), (2, 808876360), (4, 404438180), (5, 323550544), (8, 202219090), (10, 161775272), (16, 101109545), (19, 85144880), (20, 80887636), (38, 42572440), (40, 40443818), (76, 21286220), (80, 20221909), (95, 17028976), (152, 10643110), (190, 8514488), (304, 5321555), (380, 4257244), (760, 2128622), (1520, 1064311)]