31522680

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{1787}}^1$

素因数の和:1818

約数の個数: 144

約数和(自身を含む): 119241720

約数和(自身を除く): 87719040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1787, 1960, 2205, 2520, 2940, 3528, 3574, 4410, 5361, 5880, 7148, 8820, 8935, 10722, 12509, 14296, 16083, 17640, 17870, 21444, 25018, 26805, 32166, 35740, 37527, 42888, 50036, 53610, 62545, 64332, 71480, 75054, 80415, 87563, 100072, 107220, 112581, 125090, 128664, 150108, 160830, 175126, 187635, 214440, 225162, 250180, 262689, 300216, 321660, 350252, 375270, 437815, 450324, 500360, 525378, 562905, 643320, 700504, 750540, 788067, 875630, 900648, 1050756, 1125810, 1313445, 1501080, 1576134, 1751260, 2101512, 2251620, 2626890, 3152268, 3502520, 3940335, 4503240, 5253780, 6304536, 7880670, 10507560, 15761340, 31522680]

約数ペア:

[(1, 31522680), (2, 15761340), (3, 10507560), (4, 7880670), (5, 6304536), (6, 5253780), (7, 4503240), (8, 3940335), (9, 3502520), (10, 3152268), (12, 2626890), (14, 2251620), (15, 2101512), (18, 1751260), (20, 1576134), (21, 1501080), (24, 1313445), (28, 1125810), (30, 1050756), (35, 900648), (36, 875630), (40, 788067), (42, 750540), (45, 700504), (49, 643320), (56, 562905), (60, 525378), (63, 500360), (70, 450324), (72, 437815), (84, 375270), (90, 350252), (98, 321660), (105, 300216), (120, 262689), (126, 250180), (140, 225162), (147, 214440), (168, 187635), (180, 175126), (196, 160830), (210, 150108), (245, 128664), (252, 125090), (280, 112581), (294, 107220), (315, 100072), (360, 87563), (392, 80415), (420, 75054), (441, 71480), (490, 64332), (504, 62545), (588, 53610), (630, 50036), (735, 42888), (840, 37527), (882, 35740), (980, 32166), (1176, 26805), (1260, 25018), (1470, 21444), (1764, 17870), (1787, 17640), (1960, 16083), (2205, 14296), (2520, 12509), (2940, 10722), (3528, 8935), (3574, 8820), (4410, 7148), (5361, 5880)]