31179680

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:167

約数の個数: 144

約数和(自身を含む): 88683336

約数和(自身を除く): 57503656

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 49, 56, 70, 80, 82, 97, 98, 112, 140, 160, 164, 194, 196, 205, 224, 245, 280, 287, 328, 388, 392, 410, 485, 490, 560, 574, 656, 679, 776, 784, 820, 970, 980, 1120, 1148, 1312, 1358, 1435, 1552, 1568, 1640, 1940, 1960, 2009, 2296, 2716, 2870, 3104, 3280, 3395, 3880, 3920, 3977, 4018, 4592, 4753, 5432, 5740, 6560, 6790, 7760, 7840, 7954, 8036, 9184, 9506, 10045, 10864, 11480, 13580, 15520, 15908, 16072, 19012, 19885, 20090, 21728, 22960, 23765, 27160, 27839, 31816, 32144, 38024, 39770, 40180, 45920, 47530, 54320, 55678, 63632, 64288, 76048, 79540, 80360, 95060, 108640, 111356, 127264, 139195, 152096, 159080, 160720, 190120, 194873, 222712, 278390, 318160, 321440, 380240, 389746, 445424, 556780, 636320, 760480, 779492, 890848, 974365, 1113560, 1558984, 1948730, 2227120, 3117968, 3897460, 4454240, 6235936, 7794920, 15589840, 31179680]

約数ペア:

[(1, 31179680), (2, 15589840), (4, 7794920), (5, 6235936), (7, 4454240), (8, 3897460), (10, 3117968), (14, 2227120), (16, 1948730), (20, 1558984), (28, 1113560), (32, 974365), (35, 890848), (40, 779492), (41, 760480), (49, 636320), (56, 556780), (70, 445424), (80, 389746), (82, 380240), (97, 321440), (98, 318160), (112, 278390), (140, 222712), (160, 194873), (164, 190120), (194, 160720), (196, 159080), (205, 152096), (224, 139195), (245, 127264), (280, 111356), (287, 108640), (328, 95060), (388, 80360), (392, 79540), (410, 76048), (485, 64288), (490, 63632), (560, 55678), (574, 54320), (656, 47530), (679, 45920), (776, 40180), (784, 39770), (820, 38024), (970, 32144), (980, 31816), (1120, 27839), (1148, 27160), (1312, 23765), (1358, 22960), (1435, 21728), (1552, 20090), (1568, 19885), (1640, 19012), (1940, 16072), (1960, 15908), (2009, 15520), (2296, 13580), (2716, 11480), (2870, 10864), (3104, 10045), (3280, 9506), (3395, 9184), (3880, 8036), (3920, 7954), (3977, 7840), (4018, 7760), (4592, 6790), (4753, 6560), (5432, 5740)]