280178640

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2417}}^1$

素因数の和:2466

約数の個数: 240

約数和(自身を含む): 1122571008

約数和(自身を除く): 842392368

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 23, 24, 28, 30, 35, 36, 40, 42, 45, 46, 48, 56, 60, 63, 69, 70, 72, 80, 84, 90, 92, 105, 112, 115, 120, 126, 138, 140, 144, 161, 168, 180, 184, 207, 210, 230, 240, 252, 276, 280, 315, 322, 336, 345, 360, 368, 414, 420, 460, 483, 504, 552, 560, 630, 644, 690, 720, 805, 828, 840, 920, 966, 1008, 1035, 1104, 1260, 1288, 1380, 1449, 1610, 1656, 1680, 1840, 1932, 2070, 2415, 2417, 2520, 2576, 2760, 2898, 3220, 3312, 3864, 4140, 4830, 4834, 5040, 5520, 5796, 6440, 7245, 7251, 7728, 8280, 9660, 9668, 11592, 12085, 12880, 14490, 14502, 16560, 16919, 19320, 19336, 21753, 23184, 24170, 28980, 29004, 33838, 36255, 38640, 38672, 43506, 48340, 50757, 55591, 57960, 58008, 67676, 72510, 84595, 87012, 96680, 101514, 108765, 111182, 115920, 116016, 135352, 145020, 152271, 166773, 169190, 174024, 193360, 203028, 217530, 222364, 253785, 270704, 277955, 290040, 304542, 333546, 338380, 348048, 389137, 406056, 435060, 444728, 500319, 507570, 555910, 580080, 609084, 667092, 676760, 761355, 778274, 812112, 833865, 870120, 889456, 1000638, 1015140, 1111820, 1167411, 1218168, 1334184, 1353520, 1522710, 1556548, 1667730, 1740240, 1945685, 2001276, 2030280, 2223640, 2334822, 2436336, 2501595, 2668368, 3045420, 3113096, 3335460, 3502233, 3891370, 4002552, 4060560, 4447280, 4669644, 5003190, 5837055, 6090840, 6226192, 6670920, 7004466, 7782740, 8005104, 9339288, 10006380, 11674110, 12181680, 13341840, 14008932, 15565480, 17511165, 18678576, 20012760, 23348220, 28017864, 31130960, 35022330, 40025520, 46696440, 56035728, 70044660, 93392880, 140089320, 280178640]

約数ペア:

[(1, 280178640), (2, 140089320), (3, 93392880), (4, 70044660), (5, 56035728), (6, 46696440), (7, 40025520), (8, 35022330), (9, 31130960), (10, 28017864), (12, 23348220), (14, 20012760), (15, 18678576), (16, 17511165), (18, 15565480), (20, 14008932), (21, 13341840), (23, 12181680), (24, 11674110), (28, 10006380), (30, 9339288), (35, 8005104), (36, 7782740), (40, 7004466), (42, 6670920), (45, 6226192), (46, 6090840), (48, 5837055), (56, 5003190), (60, 4669644), (63, 4447280), (69, 4060560), (70, 4002552), (72, 3891370), (80, 3502233), (84, 3335460), (90, 3113096), (92, 3045420), (105, 2668368), (112, 2501595), (115, 2436336), (120, 2334822), (126, 2223640), (138, 2030280), (140, 2001276), (144, 1945685), (161, 1740240), (168, 1667730), (180, 1556548), (184, 1522710), (207, 1353520), (210, 1334184), (230, 1218168), (240, 1167411), (252, 1111820), (276, 1015140), (280, 1000638), (315, 889456), (322, 870120), (336, 833865), (345, 812112), (360, 778274), (368, 761355), (414, 676760), (420, 667092), (460, 609084), (483, 580080), (504, 555910), (552, 507570), (560, 500319), (630, 444728), (644, 435060), (690, 406056), (720, 389137), (805, 348048), (828, 338380), (840, 333546), (920, 304542), (966, 290040), (1008, 277955), (1035, 270704), (1104, 253785), (1260, 222364), (1288, 217530), (1380, 203028), (1449, 193360), (1610, 174024), (1656, 169190), (1680, 166773), (1840, 152271), (1932, 145020), (2070, 135352), (2415, 116016), (2417, 115920), (2520, 111182), (2576, 108765), (2760, 101514), (2898, 96680), (3220, 87012), (3312, 84595), (3864, 72510), (4140, 67676), (4830, 58008), (4834, 57960), (5040, 55591), (5520, 50757), (5796, 48340), (6440, 43506), (7245, 38672), (7251, 38640), (7728, 36255), (8280, 33838), (9660, 29004), (9668, 28980), (11592, 24170), (12085, 23184), (12880, 21753), (14490, 19336), (14502, 19320), (16560, 16919)]