321728640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:191

約数の個数: 256

約数和(自身を含む): 1083680640

約数和(自身を除く): 761952000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 61, 64, 67, 80, 82, 96, 120, 122, 123, 128, 134, 160, 164, 183, 192, 201, 205, 240, 244, 246, 268, 305, 320, 328, 335, 366, 384, 402, 410, 480, 488, 492, 536, 610, 615, 640, 656, 670, 732, 804, 820, 915, 960, 976, 984, 1005, 1072, 1220, 1230, 1312, 1340, 1464, 1608, 1640, 1830, 1920, 1952, 1968, 2010, 2144, 2440, 2460, 2501, 2624, 2680, 2747, 2928, 3216, 3280, 3660, 3904, 3936, 4020, 4087, 4288, 4880, 4920, 5002, 5248, 5360, 5494, 5856, 6432, 6560, 7320, 7503, 7808, 7872, 8040, 8174, 8241, 8576, 9760, 9840, 10004, 10720, 10988, 11712, 12261, 12505, 12864, 13120, 13735, 14640, 15006, 15744, 16080, 16348, 16482, 19520, 19680, 20008, 20435, 21440, 21976, 23424, 24522, 25010, 25728, 26240, 27470, 29280, 30012, 32160, 32696, 32964, 37515, 39040, 39360, 40016, 40870, 41205, 42880, 43952, 49044, 50020, 54940, 58560, 60024, 61305, 64320, 65392, 65928, 75030, 78720, 80032, 81740, 82410, 87904, 98088, 100040, 109880, 117120, 120048, 122610, 128640, 130784, 131856, 150060, 160064, 163480, 164820, 167567, 175808, 196176, 200080, 219760, 240096, 245220, 261568, 263712, 300120, 320128, 326960, 329640, 335134, 351616, 392352, 400160, 439520, 480192, 490440, 502701, 523136, 527424, 600240, 653920, 659280, 670268, 784704, 800320, 837835, 879040, 960384, 980880, 1005402, 1054848, 1200480, 1307840, 1318560, 1340536, 1569408, 1600640, 1675670, 1758080, 1961760, 2010804, 2400960, 2513505, 2615680, 2637120, 2681072, 3351340, 3923520, 4021608, 4801920, 5027010, 5274240, 5362144, 6702680, 7847040, 8043216, 10054020, 10724288, 13405360, 16086432, 20108040, 21448576, 26810720, 32172864, 40216080, 53621440, 64345728, 80432160, 107242880, 160864320, 321728640]

約数ペア:

[(1, 321728640), (2, 160864320), (3, 107242880), (4, 80432160), (5, 64345728), (6, 53621440), (8, 40216080), (10, 32172864), (12, 26810720), (15, 21448576), (16, 20108040), (20, 16086432), (24, 13405360), (30, 10724288), (32, 10054020), (40, 8043216), (41, 7847040), (48, 6702680), (60, 5362144), (61, 5274240), (64, 5027010), (67, 4801920), (80, 4021608), (82, 3923520), (96, 3351340), (120, 2681072), (122, 2637120), (123, 2615680), (128, 2513505), (134, 2400960), (160, 2010804), (164, 1961760), (183, 1758080), (192, 1675670), (201, 1600640), (205, 1569408), (240, 1340536), (244, 1318560), (246, 1307840), (268, 1200480), (305, 1054848), (320, 1005402), (328, 980880), (335, 960384), (366, 879040), (384, 837835), (402, 800320), (410, 784704), (480, 670268), (488, 659280), (492, 653920), (536, 600240), (610, 527424), (615, 523136), (640, 502701), (656, 490440), (670, 480192), (732, 439520), (804, 400160), (820, 392352), (915, 351616), (960, 335134), (976, 329640), (984, 326960), (1005, 320128), (1072, 300120), (1220, 263712), (1230, 261568), (1312, 245220), (1340, 240096), (1464, 219760), (1608, 200080), (1640, 196176), (1830, 175808), (1920, 167567), (1952, 164820), (1968, 163480), (2010, 160064), (2144, 150060), (2440, 131856), (2460, 130784), (2501, 128640), (2624, 122610), (2680, 120048), (2747, 117120), (2928, 109880), (3216, 100040), (3280, 98088), (3660, 87904), (3904, 82410), (3936, 81740), (4020, 80032), (4087, 78720), (4288, 75030), (4880, 65928), (4920, 65392), (5002, 64320), (5248, 61305), (5360, 60024), (5494, 58560), (5856, 54940), (6432, 50020), (6560, 49044), (7320, 43952), (7503, 42880), (7808, 41205), (7872, 40870), (8040, 40016), (8174, 39360), (8241, 39040), (8576, 37515), (9760, 32964), (9840, 32696), (10004, 32160), (10720, 30012), (10988, 29280), (11712, 27470), (12261, 26240), (12505, 25728), (12864, 25010), (13120, 24522), (13735, 23424), (14640, 21976), (15006, 21440), (15744, 20435), (16080, 20008), (16348, 19680), (16482, 19520)]