28297080

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:243

約数の個数: 256

約数和(自身を含む): 114048000

約数和(自身を除く): 85750920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 27, 28, 30, 35, 36, 38, 40, 42, 45, 54, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 105, 108, 114, 120, 126, 133, 135, 140, 152, 168, 171, 180, 189, 190, 197, 210, 216, 228, 252, 266, 270, 280, 285, 315, 342, 360, 378, 380, 394, 399, 420, 456, 504, 513, 532, 540, 570, 591, 630, 665, 684, 756, 760, 788, 798, 840, 855, 945, 985, 1026, 1064, 1080, 1140, 1182, 1197, 1260, 1330, 1368, 1379, 1512, 1576, 1596, 1710, 1773, 1890, 1970, 1995, 2052, 2280, 2364, 2394, 2520, 2565, 2660, 2758, 2955, 3192, 3420, 3546, 3591, 3743, 3780, 3940, 3990, 4104, 4137, 4728, 4788, 5130, 5319, 5320, 5516, 5910, 5985, 6840, 6895, 7092, 7182, 7486, 7560, 7880, 7980, 8274, 8865, 9576, 10260, 10638, 11032, 11229, 11820, 11970, 12411, 13790, 14184, 14364, 14972, 15960, 16548, 17730, 17955, 18715, 20520, 20685, 21276, 22458, 23640, 23940, 24822, 26201, 26595, 27580, 28728, 29944, 33096, 33687, 35460, 35910, 37233, 37430, 41370, 42552, 44916, 47880, 49644, 52402, 53190, 55160, 56145, 62055, 67374, 70920, 71820, 74466, 74860, 78603, 82740, 89832, 99288, 101061, 104804, 106380, 112290, 124110, 131005, 134748, 143640, 148932, 149720, 157206, 165480, 168435, 186165, 202122, 209608, 212760, 224580, 235809, 248220, 262010, 269496, 297864, 314412, 336870, 372330, 393015, 404244, 449160, 471618, 496440, 505305, 524020, 628824, 673740, 707427, 744660, 786030, 808488, 943236, 1010610, 1048040, 1179045, 1347480, 1414854, 1489320, 1572060, 1886472, 2021220, 2358090, 2829708, 3144120, 3537135, 4042440, 4716180, 5659416, 7074270, 9432360, 14148540, 28297080]

約数ペア:

[(1, 28297080), (2, 14148540), (3, 9432360), (4, 7074270), (5, 5659416), (6, 4716180), (7, 4042440), (8, 3537135), (9, 3144120), (10, 2829708), (12, 2358090), (14, 2021220), (15, 1886472), (18, 1572060), (19, 1489320), (20, 1414854), (21, 1347480), (24, 1179045), (27, 1048040), (28, 1010610), (30, 943236), (35, 808488), (36, 786030), (38, 744660), (40, 707427), (42, 673740), (45, 628824), (54, 524020), (56, 505305), (57, 496440), (60, 471618), (63, 449160), (70, 404244), (72, 393015), (76, 372330), (84, 336870), (90, 314412), (95, 297864), (105, 269496), (108, 262010), (114, 248220), (120, 235809), (126, 224580), (133, 212760), (135, 209608), (140, 202122), (152, 186165), (168, 168435), (171, 165480), (180, 157206), (189, 149720), (190, 148932), (197, 143640), (210, 134748), (216, 131005), (228, 124110), (252, 112290), (266, 106380), (270, 104804), (280, 101061), (285, 99288), (315, 89832), (342, 82740), (360, 78603), (378, 74860), (380, 74466), (394, 71820), (399, 70920), (420, 67374), (456, 62055), (504, 56145), (513, 55160), (532, 53190), (540, 52402), (570, 49644), (591, 47880), (630, 44916), (665, 42552), (684, 41370), (756, 37430), (760, 37233), (788, 35910), (798, 35460), (840, 33687), (855, 33096), (945, 29944), (985, 28728), (1026, 27580), (1064, 26595), (1080, 26201), (1140, 24822), (1182, 23940), (1197, 23640), (1260, 22458), (1330, 21276), (1368, 20685), (1379, 20520), (1512, 18715), (1576, 17955), (1596, 17730), (1710, 16548), (1773, 15960), (1890, 14972), (1970, 14364), (1995, 14184), (2052, 13790), (2280, 12411), (2364, 11970), (2394, 11820), (2520, 11229), (2565, 11032), (2660, 10638), (2758, 10260), (2955, 9576), (3192, 8865), (3420, 8274), (3546, 7980), (3591, 7880), (3743, 7560), (3780, 7486), (3940, 7182), (3990, 7092), (4104, 6895), (4137, 6840), (4728, 5985), (4788, 5910), (5130, 5516), (5319, 5320)]