15984990

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{25373}}^1$

素因数の和:25393

約数の個数: 48

約数和(自身を含む): 47500128

約数和(自身を除く): 31515138

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, 25373, 50746, 76119, 126865, 152238, 177611, 228357, 253730, 355222, 380595, 456714, 532833, 761190, 888055, 1065666, 1141785, 1598499, 1776110, 2283570, 2664165, 3196998, 5328330, 7992495, 15984990]

約数ペア:

[(1, 15984990), (2, 7992495), (3, 5328330), (5, 3196998), (6, 2664165), (7, 2283570), (9, 1776110), (10, 1598499), (14, 1141785), (15, 1065666), (18, 888055), (21, 761190), (30, 532833), (35, 456714), (42, 380595), (45, 355222), (63, 253730), (70, 228357), (90, 177611), (105, 152238), (126, 126865), (210, 76119), (315, 50746), (630, 25373)]