280808640

素因数分解:

$2^6\times 3^3\times 5^1\times 7^1\times {\mathrm{4643}}^1$

素因数の和:4676

約数の個数: 224

約数和(自身を含む): 1132392960

約数和(自身を除く): 851584320

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, 672, 720, 756, 840, 864, 945, 960, 1008, 1080, 1120, 1260, 1344, 1440, 1512, 1680, 1728, 1890, 2016, 2160, 2240, 2520, 2880, 3024, 3360, 3780, 4032, 4320, 4643, 5040, 6048, 6720, 7560, 8640, 9286, 10080, 12096, 13929, 15120, 18572, 20160, 23215, 27858, 30240, 32501, 37144, 41787, 46430, 55716, 60480, 65002, 69645, 74288, 83574, 92860, 97503, 111432, 125361, 130004, 139290, 148576, 162505, 167148, 185720, 195006, 208935, 222864, 250722, 260008, 278580, 292509, 297152, 325010, 334296, 371440, 390012, 417870, 445728, 487515, 501444, 520016, 557160, 585018, 626805, 650020, 668592, 742880, 780024, 835740, 877527, 891456, 975030, 1002888, 1040032, 1114320, 1170036, 1253610, 1300040, 1337184, 1462545, 1485760, 1560048, 1671480, 1755054, 1950060, 2005776, 2080064, 2228640, 2340072, 2507220, 2600080, 2674368, 2925090, 3120096, 3342960, 3510108, 3900120, 4011552, 4387635, 4457280, 4680144, 5014440, 5200160, 5850180, 6240192, 6685920, 7020216, 7800240, 8023104, 8775270, 9360288, 10028880, 10400320, 11700360, 13371840, 14040432, 15600480, 17550540, 18720576, 20057760, 23400720, 28080864, 31200960, 35101080, 40115520, 46801440, 56161728, 70202160, 93602880, 140404320, 280808640]

約数ペア:

[(1, 280808640), (2, 140404320), (3, 93602880), (4, 70202160), (5, 56161728), (6, 46801440), (7, 40115520), (8, 35101080), (9, 31200960), (10, 28080864), (12, 23400720), (14, 20057760), (15, 18720576), (16, 17550540), (18, 15600480), (20, 14040432), (21, 13371840), (24, 11700360), (27, 10400320), (28, 10028880), (30, 9360288), (32, 8775270), (35, 8023104), (36, 7800240), (40, 7020216), (42, 6685920), (45, 6240192), (48, 5850180), (54, 5200160), (56, 5014440), (60, 4680144), (63, 4457280), (64, 4387635), (70, 4011552), (72, 3900120), (80, 3510108), (84, 3342960), (90, 3120096), (96, 2925090), (105, 2674368), (108, 2600080), (112, 2507220), (120, 2340072), (126, 2228640), (135, 2080064), (140, 2005776), (144, 1950060), (160, 1755054), (168, 1671480), (180, 1560048), (189, 1485760), (192, 1462545), (210, 1337184), (216, 1300040), (224, 1253610), (240, 1170036), (252, 1114320), (270, 1040032), (280, 1002888), (288, 975030), (315, 891456), (320, 877527), (336, 835740), (360, 780024), (378, 742880), (420, 668592), (432, 650020), (448, 626805), (480, 585018), (504, 557160), (540, 520016), (560, 501444), (576, 487515), (630, 445728), (672, 417870), (720, 390012), (756, 371440), (840, 334296), (864, 325010), (945, 297152), (960, 292509), (1008, 278580), (1080, 260008), (1120, 250722), (1260, 222864), (1344, 208935), (1440, 195006), (1512, 185720), (1680, 167148), (1728, 162505), (1890, 148576), (2016, 139290), (2160, 130004), (2240, 125361), (2520, 111432), (2880, 97503), (3024, 92860), (3360, 83574), (3780, 74288), (4032, 69645), (4320, 65002), (4643, 60480), (5040, 55716), (6048, 46430), (6720, 41787), (7560, 37144), (8640, 32501), (9286, 30240), (10080, 27858), (12096, 23215), (13929, 20160), (15120, 18572)]