80955840

素因数分解:

$2^6\times 3^1\times 5^1\times 7^2\times {\mathrm{1721}}^1$

素因数の和:1755

約数の個数: 168

約数和(自身を含む): 299173392

約数和(自身を除く): 218217552

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 336, 392, 420, 448, 480, 490, 560, 588, 672, 735, 784, 840, 960, 980, 1120, 1176, 1344, 1470, 1568, 1680, 1721, 1960, 2240, 2352, 2940, 3136, 3360, 3442, 3920, 4704, 5163, 5880, 6720, 6884, 7840, 8605, 9408, 10326, 11760, 12047, 13768, 15680, 17210, 20652, 23520, 24094, 25815, 27536, 34420, 36141, 41304, 47040, 48188, 51630, 55072, 60235, 68840, 72282, 82608, 84329, 96376, 103260, 110144, 120470, 137680, 144564, 165216, 168658, 180705, 192752, 206520, 240940, 252987, 275360, 289128, 330432, 337316, 361410, 385504, 413040, 421645, 481880, 505974, 550720, 578256, 674632, 722820, 771008, 826080, 843290, 963760, 1011948, 1156512, 1264935, 1349264, 1445640, 1652160, 1686580, 1927520, 2023896, 2313024, 2529870, 2698528, 2891280, 3373160, 3855040, 4047792, 5059740, 5397056, 5782560, 6746320, 8095584, 10119480, 11565120, 13492640, 16191168, 20238960, 26985280, 40477920, 80955840]

約数ペア:

[(1, 80955840), (2, 40477920), (3, 26985280), (4, 20238960), (5, 16191168), (6, 13492640), (7, 11565120), (8, 10119480), (10, 8095584), (12, 6746320), (14, 5782560), (15, 5397056), (16, 5059740), (20, 4047792), (21, 3855040), (24, 3373160), (28, 2891280), (30, 2698528), (32, 2529870), (35, 2313024), (40, 2023896), (42, 1927520), (48, 1686580), (49, 1652160), (56, 1445640), (60, 1349264), (64, 1264935), (70, 1156512), (80, 1011948), (84, 963760), (96, 843290), (98, 826080), (105, 771008), (112, 722820), (120, 674632), (140, 578256), (147, 550720), (160, 505974), (168, 481880), (192, 421645), (196, 413040), (210, 385504), (224, 361410), (240, 337316), (245, 330432), (280, 289128), (294, 275360), (320, 252987), (336, 240940), (392, 206520), (420, 192752), (448, 180705), (480, 168658), (490, 165216), (560, 144564), (588, 137680), (672, 120470), (735, 110144), (784, 103260), (840, 96376), (960, 84329), (980, 82608), (1120, 72282), (1176, 68840), (1344, 60235), (1470, 55072), (1568, 51630), (1680, 48188), (1721, 47040), (1960, 41304), (2240, 36141), (2352, 34420), (2940, 27536), (3136, 25815), (3360, 24094), (3442, 23520), (3920, 20652), (4704, 17210), (5163, 15680), (5880, 13768), (6720, 12047), (6884, 11760), (7840, 10326), (8605, 9408)]