20109473280

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67139}}^1$

素因数の和:67181

約数の個数: 240

約数和(自身を含む): 75003168240

約数和(自身を除く): 54893694960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 128, 130, 144, 156, 160, 180, 192, 195, 208, 234, 240, 256, 260, 288, 312, 320, 360, 384, 390, 416, 468, 480, 512, 520, 576, 585, 624, 640, 720, 768, 780, 832, 936, 960, 1040, 1152, 1170, 1248, 1280, 1440, 1536, 1560, 1664, 1872, 1920, 2080, 2304, 2340, 2496, 2560, 2880, 3120, 3328, 3744, 3840, 4160, 4608, 4680, 4992, 5760, 6240, 6656, 7488, 7680, 8320, 9360, 9984, 11520, 12480, 14976, 16640, 18720, 19968, 23040, 24960, 29952, 33280, 37440, 49920, 59904, 67139, 74880, 99840, 134278, 149760, 201417, 268556, 299520, 335695, 402834, 537112, 604251, 671390, 805668, 872807, 1007085, 1074224, 1208502, 1342780, 1611336, 1745614, 2014170, 2148448, 2417004, 2618421, 2685560, 3021255, 3222672, 3491228, 4028340, 4296896, 4364035, 4834008, 5236842, 5371120, 6042510, 6445344, 6982456, 7855263, 8056680, 8593792, 8728070, 9668016, 10473684, 10742240, 12085020, 12890688, 13092105, 13964912, 15710526, 16113360, 17187584, 17456140, 19336032, 20947368, 21484480, 24170040, 25781376, 26184210, 27929824, 31421052, 32226720, 34375168, 34912280, 38672064, 39276315, 41894736, 42968960, 48340080, 51562752, 52368420, 55859648, 62842104, 64453440, 69824560, 77344128, 78552630, 83789472, 85937920, 96680160, 103125504, 104736840, 111719296, 125684208, 128906880, 139649120, 154688256, 157105260, 167578944, 171875840, 193360320, 209473680, 223438592, 251368416, 257813760, 279298240, 309376512, 314210520, 335157888, 386720640, 418947360, 446877184, 502736832, 515627520, 558596480, 628421040, 670315776, 773441280, 837894720, 1005473664, 1117192960, 1256842080, 1340631552, 1546882560, 1675789440, 2010947328, 2234385920, 2513684160, 3351578880, 4021894656, 5027368320, 6703157760, 10054736640, 20109473280]

約数ペア:

[(1, 20109473280), (2, 10054736640), (3, 6703157760), (4, 5027368320), (5, 4021894656), (6, 3351578880), (8, 2513684160), (9, 2234385920), (10, 2010947328), (12, 1675789440), (13, 1546882560), (15, 1340631552), (16, 1256842080), (18, 1117192960), (20, 1005473664), (24, 837894720), (26, 773441280), (30, 670315776), (32, 628421040), (36, 558596480), (39, 515627520), (40, 502736832), (45, 446877184), (48, 418947360), (52, 386720640), (60, 335157888), (64, 314210520), (65, 309376512), (72, 279298240), (78, 257813760), (80, 251368416), (90, 223438592), (96, 209473680), (104, 193360320), (117, 171875840), (120, 167578944), (128, 157105260), (130, 154688256), (144, 139649120), (156, 128906880), (160, 125684208), (180, 111719296), (192, 104736840), (195, 103125504), (208, 96680160), (234, 85937920), (240, 83789472), (256, 78552630), (260, 77344128), (288, 69824560), (312, 64453440), (320, 62842104), (360, 55859648), (384, 52368420), (390, 51562752), (416, 48340080), (468, 42968960), (480, 41894736), (512, 39276315), (520, 38672064), (576, 34912280), (585, 34375168), (624, 32226720), (640, 31421052), (720, 27929824), (768, 26184210), (780, 25781376), (832, 24170040), (936, 21484480), (960, 20947368), (1040, 19336032), (1152, 17456140), (1170, 17187584), (1248, 16113360), (1280, 15710526), (1440, 13964912), (1536, 13092105), (1560, 12890688), (1664, 12085020), (1872, 10742240), (1920, 10473684), (2080, 9668016), (2304, 8728070), (2340, 8593792), (2496, 8056680), (2560, 7855263), (2880, 6982456), (3120, 6445344), (3328, 6042510), (3744, 5371120), (3840, 5236842), (4160, 4834008), (4608, 4364035), (4680, 4296896), (4992, 4028340), (5760, 3491228), (6240, 3222672), (6656, 3021255), (7488, 2685560), (7680, 2618421), (8320, 2417004), (9360, 2148448), (9984, 2014170), (11520, 1745614), (12480, 1611336), (14976, 1342780), (16640, 1208502), (18720, 1074224), (19968, 1007085), (23040, 872807), (24960, 805668), (29952, 671390), (33280, 604251), (37440, 537112), (49920, 402834), (59904, 335695), (67139, 299520), (74880, 268556), (99840, 201417), (134278, 149760)]