38888640

素因数分解:

$2^6\times 3^3\times 5^1\times 7^1\times {\mathrm{643}}^1$

素因数の和:676

約数の個数: 224

約数和(自身を含む): 157032960

約数和(自身を除く): 118144320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 420, 432, 448, 480, 504, 540, 560, 576, 630, 643, 672, 720, 756, 840, 864, 945, 960, 1008, 1080, 1120, 1260, 1286, 1344, 1440, 1512, 1680, 1728, 1890, 1929, 2016, 2160, 2240, 2520, 2572, 2880, 3024, 3215, 3360, 3780, 3858, 4032, 4320, 4501, 5040, 5144, 5787, 6048, 6430, 6720, 7560, 7716, 8640, 9002, 9645, 10080, 10288, 11574, 12096, 12860, 13503, 15120, 15432, 17361, 18004, 19290, 20160, 20576, 22505, 23148, 25720, 27006, 28935, 30240, 30864, 34722, 36008, 38580, 40509, 41152, 45010, 46296, 51440, 54012, 57870, 60480, 61728, 67515, 69444, 72016, 77160, 81018, 86805, 90020, 92592, 102880, 108024, 115740, 121527, 123456, 135030, 138888, 144032, 154320, 162036, 173610, 180040, 185184, 202545, 205760, 216048, 231480, 243054, 270060, 277776, 288064, 308640, 324072, 347220, 360080, 370368, 405090, 432096, 462960, 486108, 540120, 555552, 607635, 617280, 648144, 694440, 720160, 810180, 864192, 925920, 972216, 1080240, 1111104, 1215270, 1296288, 1388880, 1440320, 1620360, 1851840, 1944432, 2160480, 2430540, 2592576, 2777760, 3240720, 3888864, 4320960, 4861080, 5555520, 6481440, 7777728, 9722160, 12962880, 19444320, 38888640]

約数ペア:

[(1, 38888640), (2, 19444320), (3, 12962880), (4, 9722160), (5, 7777728), (6, 6481440), (7, 5555520), (8, 4861080), (9, 4320960), (10, 3888864), (12, 3240720), (14, 2777760), (15, 2592576), (16, 2430540), (18, 2160480), (20, 1944432), (21, 1851840), (24, 1620360), (27, 1440320), (28, 1388880), (30, 1296288), (32, 1215270), (35, 1111104), (36, 1080240), (40, 972216), (42, 925920), (45, 864192), (48, 810180), (54, 720160), (56, 694440), (60, 648144), (63, 617280), (64, 607635), (70, 555552), (72, 540120), (80, 486108), (84, 462960), (90, 432096), (96, 405090), (105, 370368), (108, 360080), (112, 347220), (120, 324072), (126, 308640), (135, 288064), (140, 277776), (144, 270060), (160, 243054), (168, 231480), (180, 216048), (189, 205760), (192, 202545), (210, 185184), (216, 180040), (224, 173610), (240, 162036), (252, 154320), (270, 144032), (280, 138888), (288, 135030), (315, 123456), (320, 121527), (336, 115740), (360, 108024), (378, 102880), (420, 92592), (432, 90020), (448, 86805), (480, 81018), (504, 77160), (540, 72016), (560, 69444), (576, 67515), (630, 61728), (643, 60480), (672, 57870), (720, 54012), (756, 51440), (840, 46296), (864, 45010), (945, 41152), (960, 40509), (1008, 38580), (1080, 36008), (1120, 34722), (1260, 30864), (1286, 30240), (1344, 28935), (1440, 27006), (1512, 25720), (1680, 23148), (1728, 22505), (1890, 20576), (1929, 20160), (2016, 19290), (2160, 18004), (2240, 17361), (2520, 15432), (2572, 15120), (2880, 13503), (3024, 12860), (3215, 12096), (3360, 11574), (3780, 10288), (3858, 10080), (4032, 9645), (4320, 9002), (4501, 8640), (5040, 7716), (5144, 7560), (5787, 6720), (6048, 6430)]