161911680

素因数分解:

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

素因数の和:1757

約数の個数: 192

約数和(自身を含む): 600702480

約数和(自身を除く): 438790800

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, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 336, 384, 392, 420, 448, 480, 490, 560, 588, 640, 672, 735, 784, 840, 896, 960, 980, 1120, 1176, 1344, 1470, 1568, 1680, 1721, 1920, 1960, 2240, 2352, 2688, 2940, 3136, 3360, 3442, 3920, 4480, 4704, 5163, 5880, 6272, 6720, 6884, 7840, 8605, 9408, 10326, 11760, 12047, 13440, 13768, 15680, 17210, 18816, 20652, 23520, 24094, 25815, 27536, 31360, 34420, 36141, 41304, 47040, 48188, 51630, 55072, 60235, 68840, 72282, 82608, 84329, 94080, 96376, 103260, 110144, 120470, 137680, 144564, 165216, 168658, 180705, 192752, 206520, 220288, 240940, 252987, 275360, 289128, 330432, 337316, 361410, 385504, 413040, 421645, 481880, 505974, 550720, 578256, 660864, 674632, 722820, 771008, 826080, 843290, 963760, 1011948, 1101440, 1156512, 1264935, 1349264, 1445640, 1542016, 1652160, 1686580, 1927520, 2023896, 2313024, 2529870, 2698528, 2891280, 3304320, 3373160, 3855040, 4047792, 4626048, 5059740, 5397056, 5782560, 6746320, 7710080, 8095584, 10119480, 10794112, 11565120, 13492640, 16191168, 20238960, 23130240, 26985280, 32382336, 40477920, 53970560, 80955840, 161911680]

約数ペア:

[(1, 161911680), (2, 80955840), (3, 53970560), (4, 40477920), (5, 32382336), (6, 26985280), (7, 23130240), (8, 20238960), (10, 16191168), (12, 13492640), (14, 11565120), (15, 10794112), (16, 10119480), (20, 8095584), (21, 7710080), (24, 6746320), (28, 5782560), (30, 5397056), (32, 5059740), (35, 4626048), (40, 4047792), (42, 3855040), (48, 3373160), (49, 3304320), (56, 2891280), (60, 2698528), (64, 2529870), (70, 2313024), (80, 2023896), (84, 1927520), (96, 1686580), (98, 1652160), (105, 1542016), (112, 1445640), (120, 1349264), (128, 1264935), (140, 1156512), (147, 1101440), (160, 1011948), (168, 963760), (192, 843290), (196, 826080), (210, 771008), (224, 722820), (240, 674632), (245, 660864), (280, 578256), (294, 550720), (320, 505974), (336, 481880), (384, 421645), (392, 413040), (420, 385504), (448, 361410), (480, 337316), (490, 330432), (560, 289128), (588, 275360), (640, 252987), (672, 240940), (735, 220288), (784, 206520), (840, 192752), (896, 180705), (960, 168658), (980, 165216), (1120, 144564), (1176, 137680), (1344, 120470), (1470, 110144), (1568, 103260), (1680, 96376), (1721, 94080), (1920, 84329), (1960, 82608), (2240, 72282), (2352, 68840), (2688, 60235), (2940, 55072), (3136, 51630), (3360, 48188), (3442, 47040), (3920, 41304), (4480, 36141), (4704, 34420), (5163, 31360), (5880, 27536), (6272, 25815), (6720, 24094), (6884, 23520), (7840, 20652), (8605, 18816), (9408, 17210), (10326, 15680), (11760, 13768), (12047, 13440)]