161125020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{127877}}^1$

素因数の和:127899

約数の個数: 72

約数和(自身を含む): 558571104

約数和(自身を除く): 397446084

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, 127877, 255754, 383631, 511508, 639385, 767262, 895139, 1150893, 1278770, 1534524, 1790278, 1918155, 2301786, 2557540, 2685417, 3580556, 3836310, 4475695, 4603572, 5370834, 5754465, 7672620, 8056251, 8951390, 10741668, 11508930, 13427085, 16112502, 17902780, 23017860, 26854170, 32225004, 40281255, 53708340, 80562510, 161125020]

約数ペア:

[(1, 161125020), (2, 80562510), (3, 53708340), (4, 40281255), (5, 32225004), (6, 26854170), (7, 23017860), (9, 17902780), (10, 16112502), (12, 13427085), (14, 11508930), (15, 10741668), (18, 8951390), (20, 8056251), (21, 7672620), (28, 5754465), (30, 5370834), (35, 4603572), (36, 4475695), (42, 3836310), (45, 3580556), (60, 2685417), (63, 2557540), (70, 2301786), (84, 1918155), (90, 1790278), (105, 1534524), (126, 1278770), (140, 1150893), (180, 895139), (210, 767262), (252, 639385), (315, 511508), (420, 383631), (630, 255754), (1260, 127877)]