31557960

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{1789}}^1$

素因数の和:1820

約数の個数: 144

約数和(自身を含む): 119375100

約数和(自身を除く): 87817140

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, 1789, 1960, 2205, 2520, 2940, 3528, 3578, 4410, 5367, 5880, 7156, 8820, 8945, 10734, 12523, 14312, 16101, 17640, 17890, 21468, 25046, 26835, 32202, 35780, 37569, 42936, 50092, 53670, 62615, 64404, 71560, 75138, 80505, 87661, 100184, 107340, 112707, 125230, 128808, 150276, 161010, 175322, 187845, 214680, 225414, 250460, 262983, 300552, 322020, 350644, 375690, 438305, 450828, 500920, 525966, 563535, 644040, 701288, 751380, 788949, 876610, 901656, 1051932, 1127070, 1314915, 1502760, 1577898, 1753220, 2103864, 2254140, 2629830, 3155796, 3506440, 3944745, 4508280, 5259660, 6311592, 7889490, 10519320, 15778980, 31557960]

約数ペア:

[(1, 31557960), (2, 15778980), (3, 10519320), (4, 7889490), (5, 6311592), (6, 5259660), (7, 4508280), (8, 3944745), (9, 3506440), (10, 3155796), (12, 2629830), (14, 2254140), (15, 2103864), (18, 1753220), (20, 1577898), (21, 1502760), (24, 1314915), (28, 1127070), (30, 1051932), (35, 901656), (36, 876610), (40, 788949), (42, 751380), (45, 701288), (49, 644040), (56, 563535), (60, 525966), (63, 500920), (70, 450828), (72, 438305), (84, 375690), (90, 350644), (98, 322020), (105, 300552), (120, 262983), (126, 250460), (140, 225414), (147, 214680), (168, 187845), (180, 175322), (196, 161010), (210, 150276), (245, 128808), (252, 125230), (280, 112707), (294, 107340), (315, 100184), (360, 87661), (392, 80505), (420, 75138), (441, 71560), (490, 64404), (504, 62615), (588, 53670), (630, 50092), (735, 42936), (840, 37569), (882, 35780), (980, 32202), (1176, 26835), (1260, 25046), (1470, 21468), (1764, 17890), (1789, 17640), (1960, 16101), (2205, 14312), (2520, 12523), (2940, 10734), (3528, 8945), (3578, 8820), (4410, 7156), (5367, 5880)]