15940890

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{25303}}^1$

素因数の和:25323

約数の個数: 48

約数和(自身を含む): 47369088

約数和(自身を除く): 31428198

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 25303, 50606, 75909, 126515, 151818, 177121, 227727, 253030, 354242, 379545, 455454, 531363, 759090, 885605, 1062726, 1138635, 1594089, 1771210, 2277270, 2656815, 3188178, 5313630, 7970445, 15940890]

約数ペア:

[(1, 15940890), (2, 7970445), (3, 5313630), (5, 3188178), (6, 2656815), (7, 2277270), (9, 1771210), (10, 1594089), (14, 1138635), (15, 1062726), (18, 885605), (21, 759090), (30, 531363), (35, 455454), (42, 379545), (45, 354242), (63, 253030), (70, 227727), (90, 177121), (105, 151818), (126, 126515), (210, 75909), (315, 50606), (630, 25303)]