1220019840

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5431}}^1$

素因数の和:5472

約数の個数: 256

約数和(自身を含む): 4654137600

約数和(自身を除く): 3434117760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 64, 65, 72, 78, 80, 90, 96, 104, 108, 117, 120, 128, 130, 135, 144, 156, 160, 180, 192, 195, 208, 216, 234, 240, 260, 270, 288, 312, 320, 351, 360, 384, 390, 416, 432, 468, 480, 520, 540, 576, 585, 624, 640, 702, 720, 780, 832, 864, 936, 960, 1040, 1080, 1152, 1170, 1248, 1404, 1440, 1560, 1664, 1728, 1755, 1872, 1920, 2080, 2160, 2340, 2496, 2808, 2880, 3120, 3456, 3510, 3744, 4160, 4320, 4680, 4992, 5431, 5616, 5760, 6240, 7020, 7488, 8320, 8640, 9360, 10862, 11232, 12480, 14040, 14976, 16293, 17280, 18720, 21724, 22464, 24960, 27155, 28080, 32586, 37440, 43448, 44928, 48879, 54310, 56160, 65172, 70603, 74880, 81465, 86896, 97758, 108620, 112320, 130344, 141206, 146637, 162930, 173792, 195516, 211809, 217240, 224640, 244395, 260688, 282412, 293274, 325860, 347584, 353015, 391032, 423618, 434480, 488790, 521376, 564824, 586548, 635427, 651720, 695168, 706030, 733185, 782064, 847236, 868960, 977580, 1042752, 1059045, 1129648, 1173096, 1270854, 1303440, 1412060, 1466370, 1564128, 1694472, 1737920, 1906281, 1955160, 2085504, 2118090, 2259296, 2346192, 2541708, 2606880, 2824120, 2932740, 3128256, 3177135, 3388944, 3475840, 3812562, 3910320, 4236180, 4518592, 4692384, 5083416, 5213760, 5648240, 5865480, 6256512, 6354270, 6777888, 7625124, 7820640, 8472360, 9037184, 9384768, 9531405, 10166832, 10427520, 11296480, 11730960, 12708540, 13555776, 15250248, 15641280, 16944720, 18769536, 19062810, 20333664, 22592960, 23461920, 25417080, 27111552, 30500496, 31282560, 33889440, 38125620, 40667328, 45185920, 46923840, 50834160, 61000992, 67778880, 76251240, 81334656, 93847680, 101668320, 122001984, 135557760, 152502480, 203336640, 244003968, 305004960, 406673280, 610009920, 1220019840]

約数ペア:

[(1, 1220019840), (2, 610009920), (3, 406673280), (4, 305004960), (5, 244003968), (6, 203336640), (8, 152502480), (9, 135557760), (10, 122001984), (12, 101668320), (13, 93847680), (15, 81334656), (16, 76251240), (18, 67778880), (20, 61000992), (24, 50834160), (26, 46923840), (27, 45185920), (30, 40667328), (32, 38125620), (36, 33889440), (39, 31282560), (40, 30500496), (45, 27111552), (48, 25417080), (52, 23461920), (54, 22592960), (60, 20333664), (64, 19062810), (65, 18769536), (72, 16944720), (78, 15641280), (80, 15250248), (90, 13555776), (96, 12708540), (104, 11730960), (108, 11296480), (117, 10427520), (120, 10166832), (128, 9531405), (130, 9384768), (135, 9037184), (144, 8472360), (156, 7820640), (160, 7625124), (180, 6777888), (192, 6354270), (195, 6256512), (208, 5865480), (216, 5648240), (234, 5213760), (240, 5083416), (260, 4692384), (270, 4518592), (288, 4236180), (312, 3910320), (320, 3812562), (351, 3475840), (360, 3388944), (384, 3177135), (390, 3128256), (416, 2932740), (432, 2824120), (468, 2606880), (480, 2541708), (520, 2346192), (540, 2259296), (576, 2118090), (585, 2085504), (624, 1955160), (640, 1906281), (702, 1737920), (720, 1694472), (780, 1564128), (832, 1466370), (864, 1412060), (936, 1303440), (960, 1270854), (1040, 1173096), (1080, 1129648), (1152, 1059045), (1170, 1042752), (1248, 977580), (1404, 868960), (1440, 847236), (1560, 782064), (1664, 733185), (1728, 706030), (1755, 695168), (1872, 651720), (1920, 635427), (2080, 586548), (2160, 564824), (2340, 521376), (2496, 488790), (2808, 434480), (2880, 423618), (3120, 391032), (3456, 353015), (3510, 347584), (3744, 325860), (4160, 293274), (4320, 282412), (4680, 260688), (4992, 244395), (5431, 224640), (5616, 217240), (5760, 211809), (6240, 195516), (7020, 173792), (7488, 162930), (8320, 146637), (8640, 141206), (9360, 130344), (10862, 112320), (11232, 108620), (12480, 97758), (14040, 86896), (14976, 81465), (16293, 74880), (17280, 70603), (18720, 65172), (21724, 56160), (22464, 54310), (24960, 48879), (27155, 44928), (28080, 43448), (32586, 37440)]