2015455880

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{6577}}^1$

素因数の和:6798

約数の個数: 64

約数和(自身を含む): 4660381440

約数和(自身を除く): 2644925560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 163, 188, 235, 326, 376, 470, 652, 815, 940, 1304, 1630, 1880, 3260, 6520, 6577, 7661, 13154, 15322, 26308, 30644, 32885, 38305, 52616, 61288, 65770, 76610, 131540, 153220, 263080, 306440, 309119, 618238, 1072051, 1236476, 1545595, 2144102, 2472952, 3091190, 4288204, 5360255, 6182380, 8576408, 10720510, 12364760, 21441020, 42882040, 50386397, 100772794, 201545588, 251931985, 403091176, 503863970, 1007727940, 2015455880]

約数ペア:

[(1, 2015455880), (2, 1007727940), (4, 503863970), (5, 403091176), (8, 251931985), (10, 201545588), (20, 100772794), (40, 50386397), (47, 42882040), (94, 21441020), (163, 12364760), (188, 10720510), (235, 8576408), (326, 6182380), (376, 5360255), (470, 4288204), (652, 3091190), (815, 2472952), (940, 2144102), (1304, 1545595), (1630, 1236476), (1880, 1072051), (3260, 618238), (6520, 309119), (6577, 306440), (7661, 263080), (13154, 153220), (15322, 131540), (26308, 76610), (30644, 65770), (32885, 61288), (38305, 52616)]