281277920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{79}}^1$

素因数の和:146

約数の個数: 288

約数和(自身を含む): 891233280

約数和(自身を除く): 609955360

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 17, 20, 22, 28, 32, 34, 35, 40, 44, 55, 56, 68, 70, 77, 79, 80, 85, 88, 110, 112, 119, 136, 140, 154, 158, 160, 170, 176, 187, 220, 224, 238, 272, 280, 289, 308, 316, 340, 352, 374, 385, 395, 440, 476, 544, 553, 560, 578, 595, 616, 632, 680, 748, 770, 790, 869, 880, 935, 952, 1106, 1120, 1156, 1190, 1232, 1264, 1309, 1343, 1360, 1445, 1496, 1540, 1580, 1738, 1760, 1870, 1904, 2023, 2212, 2312, 2380, 2464, 2528, 2618, 2686, 2720, 2765, 2890, 2992, 3080, 3160, 3179, 3476, 3740, 3808, 4046, 4345, 4424, 4624, 4760, 5236, 5372, 5530, 5780, 5984, 6083, 6160, 6320, 6358, 6545, 6715, 6952, 7480, 8092, 8690, 8848, 9248, 9401, 9520, 10115, 10472, 10744, 11060, 11560, 12166, 12320, 12640, 12716, 13090, 13430, 13904, 14773, 14960, 15895, 16184, 17380, 17696, 18802, 19040, 20230, 20944, 21488, 22120, 22253, 22831, 23120, 24332, 25432, 26180, 26860, 27808, 29546, 29920, 30415, 31790, 32368, 34760, 37604, 40460, 41888, 42976, 44240, 44506, 45662, 46240, 47005, 48664, 50864, 52360, 53720, 59092, 60830, 63580, 64736, 69520, 73865, 75208, 80920, 88480, 89012, 91324, 94010, 97328, 101728, 103411, 104720, 107440, 111265, 114155, 118184, 121660, 127160, 139040, 147730, 150416, 159817, 161840, 178024, 182648, 188020, 194656, 206822, 209440, 214880, 222530, 228310, 236368, 243320, 251141, 254320, 295460, 300832, 319634, 323680, 356048, 365296, 376040, 413644, 445060, 456620, 472736, 486640, 502282, 508640, 517055, 590920, 639268, 712096, 730592, 752080, 799085, 827288, 890120, 913240, 973280, 1004564, 1034110, 1181840, 1255705, 1278536, 1504160, 1598170, 1654576, 1757987, 1780240, 1826480, 2009128, 2068220, 2363680, 2511410, 2557072, 3196340, 3309152, 3515974, 3560480, 3652960, 4018256, 4136440, 5022820, 5114144, 6392680, 7031948, 8036512, 8272880, 8789935, 10045640, 12785360, 14063896, 16545760, 17579870, 20091280, 25570720, 28127792, 35159740, 40182560, 56255584, 70319480, 140638960, 281277920]

約数ペア:

[(1, 281277920), (2, 140638960), (4, 70319480), (5, 56255584), (7, 40182560), (8, 35159740), (10, 28127792), (11, 25570720), (14, 20091280), (16, 17579870), (17, 16545760), (20, 14063896), (22, 12785360), (28, 10045640), (32, 8789935), (34, 8272880), (35, 8036512), (40, 7031948), (44, 6392680), (55, 5114144), (56, 5022820), (68, 4136440), (70, 4018256), (77, 3652960), (79, 3560480), (80, 3515974), (85, 3309152), (88, 3196340), (110, 2557072), (112, 2511410), (119, 2363680), (136, 2068220), (140, 2009128), (154, 1826480), (158, 1780240), (160, 1757987), (170, 1654576), (176, 1598170), (187, 1504160), (220, 1278536), (224, 1255705), (238, 1181840), (272, 1034110), (280, 1004564), (289, 973280), (308, 913240), (316, 890120), (340, 827288), (352, 799085), (374, 752080), (385, 730592), (395, 712096), (440, 639268), (476, 590920), (544, 517055), (553, 508640), (560, 502282), (578, 486640), (595, 472736), (616, 456620), (632, 445060), (680, 413644), (748, 376040), (770, 365296), (790, 356048), (869, 323680), (880, 319634), (935, 300832), (952, 295460), (1106, 254320), (1120, 251141), (1156, 243320), (1190, 236368), (1232, 228310), (1264, 222530), (1309, 214880), (1343, 209440), (1360, 206822), (1445, 194656), (1496, 188020), (1540, 182648), (1580, 178024), (1738, 161840), (1760, 159817), (1870, 150416), (1904, 147730), (2023, 139040), (2212, 127160), (2312, 121660), (2380, 118184), (2464, 114155), (2528, 111265), (2618, 107440), (2686, 104720), (2720, 103411), (2765, 101728), (2890, 97328), (2992, 94010), (3080, 91324), (3160, 89012), (3179, 88480), (3476, 80920), (3740, 75208), (3808, 73865), (4046, 69520), (4345, 64736), (4424, 63580), (4624, 60830), (4760, 59092), (5236, 53720), (5372, 52360), (5530, 50864), (5780, 48664), (5984, 47005), (6083, 46240), (6160, 45662), (6320, 44506), (6358, 44240), (6545, 42976), (6715, 41888), (6952, 40460), (7480, 37604), (8092, 34760), (8690, 32368), (8848, 31790), (9248, 30415), (9401, 29920), (9520, 29546), (10115, 27808), (10472, 26860), (10744, 26180), (11060, 25432), (11560, 24332), (12166, 23120), (12320, 22831), (12640, 22253), (12716, 22120), (13090, 21488), (13430, 20944), (13904, 20230), (14773, 19040), (14960, 18802), (15895, 17696), (16184, 17380)]