138781440

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{1721}}^1$

素因数の和:1755

約数の個数: 216

約数和(自身を含む): 549083808

約数和(自身を除く): 410302368

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1680, 1721, 1792, 1920, 2016, 2240, 2304, 2520, 2688, 2880, 3360, 3442, 3840, 4032, 4480, 5040, 5163, 5376, 5760, 6720, 6884, 8064, 8605, 8960, 10080, 10326, 11520, 12047, 13440, 13768, 15489, 16128, 17210, 20160, 20652, 24094, 25815, 26880, 27536, 30978, 34420, 36141, 40320, 41304, 48188, 51630, 55072, 60235, 61956, 68840, 72282, 77445, 80640, 82608, 96376, 103260, 108423, 110144, 120470, 123912, 137680, 144564, 154890, 165216, 180705, 192752, 206520, 216846, 220288, 240940, 247824, 275360, 289128, 309780, 330432, 361410, 385504, 413040, 433692, 440576, 481880, 495648, 542115, 550720, 578256, 619560, 660864, 722820, 771008, 826080, 867384, 963760, 991296, 1084230, 1101440, 1156512, 1239120, 1321728, 1445640, 1542016, 1652160, 1734768, 1927520, 1982592, 2168460, 2202880, 2313024, 2478240, 2891280, 3084032, 3304320, 3469536, 3855040, 3965184, 4336920, 4626048, 4956480, 5782560, 6608640, 6939072, 7710080, 8673840, 9252096, 9912960, 11565120, 13878144, 15420160, 17347680, 19825920, 23130240, 27756288, 34695360, 46260480, 69390720, 138781440]

約数ペア:

[(1, 138781440), (2, 69390720), (3, 46260480), (4, 34695360), (5, 27756288), (6, 23130240), (7, 19825920), (8, 17347680), (9, 15420160), (10, 13878144), (12, 11565120), (14, 9912960), (15, 9252096), (16, 8673840), (18, 7710080), (20, 6939072), (21, 6608640), (24, 5782560), (28, 4956480), (30, 4626048), (32, 4336920), (35, 3965184), (36, 3855040), (40, 3469536), (42, 3304320), (45, 3084032), (48, 2891280), (56, 2478240), (60, 2313024), (63, 2202880), (64, 2168460), (70, 1982592), (72, 1927520), (80, 1734768), (84, 1652160), (90, 1542016), (96, 1445640), (105, 1321728), (112, 1239120), (120, 1156512), (126, 1101440), (128, 1084230), (140, 991296), (144, 963760), (160, 867384), (168, 826080), (180, 771008), (192, 722820), (210, 660864), (224, 619560), (240, 578256), (252, 550720), (256, 542115), (280, 495648), (288, 481880), (315, 440576), (320, 433692), (336, 413040), (360, 385504), (384, 361410), (420, 330432), (448, 309780), (480, 289128), (504, 275360), (560, 247824), (576, 240940), (630, 220288), (640, 216846), (672, 206520), (720, 192752), (768, 180705), (840, 165216), (896, 154890), (960, 144564), (1008, 137680), (1120, 123912), (1152, 120470), (1260, 110144), (1280, 108423), (1344, 103260), (1440, 96376), (1680, 82608), (1721, 80640), (1792, 77445), (1920, 72282), (2016, 68840), (2240, 61956), (2304, 60235), (2520, 55072), (2688, 51630), (2880, 48188), (3360, 41304), (3442, 40320), (3840, 36141), (4032, 34420), (4480, 30978), (5040, 27536), (5163, 26880), (5376, 25815), (5760, 24094), (6720, 20652), (6884, 20160), (8064, 17210), (8605, 16128), (8960, 15489), (10080, 13768), (10326, 13440), (11520, 12047)]