15881040

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:186

約数の個数: 240

約数和(自身を含む): 64067328

約数和(自身を除く): 48186288

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, 137, 138, 140, 144, 161, 168, 180, 184, 207, 210, 230, 240, 252, 274, 276, 280, 315, 322, 336, 345, 360, 368, 411, 414, 420, 460, 483, 504, 548, 552, 560, 630, 644, 685, 690, 720, 805, 822, 828, 840, 920, 959, 966, 1008, 1035, 1096, 1104, 1233, 1260, 1288, 1370, 1380, 1449, 1610, 1644, 1656, 1680, 1840, 1918, 1932, 2055, 2070, 2192, 2415, 2466, 2520, 2576, 2740, 2760, 2877, 2898, 3151, 3220, 3288, 3312, 3836, 3864, 4110, 4140, 4795, 4830, 4932, 5040, 5480, 5520, 5754, 5796, 6165, 6302, 6440, 6576, 7245, 7672, 7728, 8220, 8280, 8631, 9453, 9590, 9660, 9864, 10960, 11508, 11592, 12330, 12604, 12880, 14385, 14490, 15344, 15755, 16440, 16560, 17262, 18906, 19180, 19320, 19728, 22057, 23016, 23184, 24660, 25208, 28359, 28770, 28980, 31510, 32880, 34524, 37812, 38360, 38640, 43155, 44114, 46032, 47265, 49320, 50416, 56718, 57540, 57960, 63020, 66171, 69048, 75624, 76720, 86310, 88228, 94530, 98640, 110285, 113436, 115080, 115920, 126040, 132342, 138096, 141795, 151248, 172620, 176456, 189060, 198513, 220570, 226872, 230160, 252080, 264684, 283590, 330855, 345240, 352912, 378120, 397026, 441140, 453744, 529368, 567180, 661710, 690480, 756240, 794052, 882280, 992565, 1058736, 1134360, 1323420, 1588104, 1764560, 1985130, 2268720, 2646840, 3176208, 3970260, 5293680, 7940520, 15881040]

約数ペア:

[(1, 15881040), (2, 7940520), (3, 5293680), (4, 3970260), (5, 3176208), (6, 2646840), (7, 2268720), (8, 1985130), (9, 1764560), (10, 1588104), (12, 1323420), (14, 1134360), (15, 1058736), (16, 992565), (18, 882280), (20, 794052), (21, 756240), (23, 690480), (24, 661710), (28, 567180), (30, 529368), (35, 453744), (36, 441140), (40, 397026), (42, 378120), (45, 352912), (46, 345240), (48, 330855), (56, 283590), (60, 264684), (63, 252080), (69, 230160), (70, 226872), (72, 220570), (80, 198513), (84, 189060), (90, 176456), (92, 172620), (105, 151248), (112, 141795), (115, 138096), (120, 132342), (126, 126040), (137, 115920), (138, 115080), (140, 113436), (144, 110285), (161, 98640), (168, 94530), (180, 88228), (184, 86310), (207, 76720), (210, 75624), (230, 69048), (240, 66171), (252, 63020), (274, 57960), (276, 57540), (280, 56718), (315, 50416), (322, 49320), (336, 47265), (345, 46032), (360, 44114), (368, 43155), (411, 38640), (414, 38360), (420, 37812), (460, 34524), (483, 32880), (504, 31510), (548, 28980), (552, 28770), (560, 28359), (630, 25208), (644, 24660), (685, 23184), (690, 23016), (720, 22057), (805, 19728), (822, 19320), (828, 19180), (840, 18906), (920, 17262), (959, 16560), (966, 16440), (1008, 15755), (1035, 15344), (1096, 14490), (1104, 14385), (1233, 12880), (1260, 12604), (1288, 12330), (1370, 11592), (1380, 11508), (1449, 10960), (1610, 9864), (1644, 9660), (1656, 9590), (1680, 9453), (1840, 8631), (1918, 8280), (1932, 8220), (2055, 7728), (2070, 7672), (2192, 7245), (2415, 6576), (2466, 6440), (2520, 6302), (2576, 6165), (2740, 5796), (2760, 5754), (2877, 5520), (2898, 5480), (3151, 5040), (3220, 4932), (3288, 4830), (3312, 4795), (3836, 4140), (3864, 4110)]