257954040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:286

約数の個数: 192

約数和(自身を含む): 866829600

約数和(自身を除く): 608875560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 83, 89, 90, 97, 120, 166, 178, 180, 194, 249, 267, 291, 332, 356, 360, 388, 415, 445, 485, 498, 534, 582, 664, 712, 747, 776, 801, 830, 873, 890, 970, 996, 1068, 1164, 1245, 1335, 1455, 1494, 1602, 1660, 1746, 1780, 1940, 1992, 2136, 2328, 2490, 2670, 2910, 2988, 3204, 3320, 3492, 3560, 3735, 3880, 4005, 4365, 4980, 5340, 5820, 5976, 6408, 6984, 7387, 7470, 8010, 8051, 8633, 8730, 9960, 10680, 11640, 14774, 14940, 16020, 16102, 17266, 17460, 22161, 24153, 25899, 29548, 29880, 32040, 32204, 34532, 34920, 36935, 40255, 43165, 44322, 48306, 51798, 59096, 64408, 66483, 69064, 72459, 73870, 77697, 80510, 86330, 88644, 96612, 103596, 110805, 120765, 129495, 132966, 144918, 147740, 155394, 161020, 172660, 177288, 193224, 207192, 221610, 241530, 258990, 265932, 289836, 295480, 310788, 322040, 332415, 345320, 362295, 388485, 443220, 483060, 517980, 531864, 579672, 621576, 664830, 716539, 724590, 776970, 886440, 966120, 1035960, 1329660, 1433078, 1449180, 1553940, 2149617, 2659320, 2866156, 2898360, 3107880, 3582695, 4299234, 5732312, 6448851, 7165390, 8598468, 10748085, 12897702, 14330780, 17196936, 21496170, 25795404, 28661560, 32244255, 42992340, 51590808, 64488510, 85984680, 128977020, 257954040]

約数ペア:

[(1, 257954040), (2, 128977020), (3, 85984680), (4, 64488510), (5, 51590808), (6, 42992340), (8, 32244255), (9, 28661560), (10, 25795404), (12, 21496170), (15, 17196936), (18, 14330780), (20, 12897702), (24, 10748085), (30, 8598468), (36, 7165390), (40, 6448851), (45, 5732312), (60, 4299234), (72, 3582695), (83, 3107880), (89, 2898360), (90, 2866156), (97, 2659320), (120, 2149617), (166, 1553940), (178, 1449180), (180, 1433078), (194, 1329660), (249, 1035960), (267, 966120), (291, 886440), (332, 776970), (356, 724590), (360, 716539), (388, 664830), (415, 621576), (445, 579672), (485, 531864), (498, 517980), (534, 483060), (582, 443220), (664, 388485), (712, 362295), (747, 345320), (776, 332415), (801, 322040), (830, 310788), (873, 295480), (890, 289836), (970, 265932), (996, 258990), (1068, 241530), (1164, 221610), (1245, 207192), (1335, 193224), (1455, 177288), (1494, 172660), (1602, 161020), (1660, 155394), (1746, 147740), (1780, 144918), (1940, 132966), (1992, 129495), (2136, 120765), (2328, 110805), (2490, 103596), (2670, 96612), (2910, 88644), (2988, 86330), (3204, 80510), (3320, 77697), (3492, 73870), (3560, 72459), (3735, 69064), (3880, 66483), (4005, 64408), (4365, 59096), (4980, 51798), (5340, 48306), (5820, 44322), (5976, 43165), (6408, 40255), (6984, 36935), (7387, 34920), (7470, 34532), (8010, 32204), (8051, 32040), (8633, 29880), (8730, 29548), (9960, 25899), (10680, 24153), (11640, 22161), (14774, 17460), (14940, 17266), (16020, 16102)]