141641720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{3617}}^1$

素因数の和:3728

約数の個数: 64

約数和(自身を含む): 351669600

約数和(自身を除く): 210027880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 89, 110, 178, 220, 356, 440, 445, 712, 890, 979, 1780, 1958, 3560, 3617, 3916, 4895, 7234, 7832, 9790, 14468, 18085, 19580, 28936, 36170, 39160, 39787, 72340, 79574, 144680, 159148, 198935, 318296, 321913, 397870, 643826, 795740, 1287652, 1591480, 1609565, 2575304, 3219130, 3541043, 6438260, 7082086, 12876520, 14164172, 17705215, 28328344, 35410430, 70820860, 141641720]

約数ペア:

[(1, 141641720), (2, 70820860), (4, 35410430), (5, 28328344), (8, 17705215), (10, 14164172), (11, 12876520), (20, 7082086), (22, 6438260), (40, 3541043), (44, 3219130), (55, 2575304), (88, 1609565), (89, 1591480), (110, 1287652), (178, 795740), (220, 643826), (356, 397870), (440, 321913), (445, 318296), (712, 198935), (890, 159148), (979, 144680), (1780, 79574), (1958, 72340), (3560, 39787), (3617, 39160), (3916, 36170), (4895, 28936), (7234, 19580), (7832, 18085), (9790, 14468)]