15988980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{38069}}^1$

素因数の和:38088

約数の個数: 48

約数和(自身を含む): 51166080

約数和(自身を除く): 35177100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 38069, 76138, 114207, 152276, 190345, 228414, 266483, 380690, 456828, 532966, 571035, 761380, 799449, 1065932, 1142070, 1332415, 1598898, 2284140, 2664830, 3197796, 3997245, 5329660, 7994490, 15988980]

約数ペア:

[(1, 15988980), (2, 7994490), (3, 5329660), (4, 3997245), (5, 3197796), (6, 2664830), (7, 2284140), (10, 1598898), (12, 1332415), (14, 1142070), (15, 1065932), (20, 799449), (21, 761380), (28, 571035), (30, 532966), (35, 456828), (42, 380690), (60, 266483), (70, 228414), (84, 190345), (105, 152276), (140, 114207), (210, 76138), (420, 38069)]