138172860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{109661}}^1$

素因数の和:109683

約数の個数: 72

約数和(自身を含む): 479003616

約数和(自身を除く): 340830756

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 109661, 219322, 328983, 438644, 548305, 657966, 767627, 986949, 1096610, 1315932, 1535254, 1644915, 1973898, 2193220, 2302881, 3070508, 3289830, 3838135, 3947796, 4605762, 4934745, 6579660, 6908643, 7676270, 9211524, 9869490, 11514405, 13817286, 15352540, 19738980, 23028810, 27634572, 34543215, 46057620, 69086430, 138172860]

約数ペア:

[(1, 138172860), (2, 69086430), (3, 46057620), (4, 34543215), (5, 27634572), (6, 23028810), (7, 19738980), (9, 15352540), (10, 13817286), (12, 11514405), (14, 9869490), (15, 9211524), (18, 7676270), (20, 6908643), (21, 6579660), (28, 4934745), (30, 4605762), (35, 3947796), (36, 3838135), (42, 3289830), (45, 3070508), (60, 2302881), (63, 2193220), (70, 1973898), (84, 1644915), (90, 1535254), (105, 1315932), (126, 1096610), (140, 986949), (180, 767627), (210, 657966), (252, 548305), (315, 438644), (420, 328983), (630, 219322), (1260, 109661)]