1198798720

素因数分解:

$2^7\times 5^1\times 7^3\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:210

約数の個数: 256

約数和(自身を含む): 3446784000

約数和(自身を除く): 2247985280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 49, 56, 64, 70, 80, 86, 98, 112, 127, 128, 140, 160, 172, 196, 215, 224, 245, 254, 280, 301, 320, 343, 344, 392, 430, 448, 490, 508, 560, 602, 635, 640, 686, 688, 784, 860, 889, 896, 980, 1016, 1120, 1204, 1270, 1372, 1376, 1505, 1568, 1715, 1720, 1778, 1960, 2032, 2107, 2240, 2408, 2540, 2744, 2752, 3010, 3136, 3430, 3440, 3556, 3920, 4064, 4214, 4445, 4480, 4816, 5080, 5461, 5488, 5504, 6020, 6223, 6272, 6860, 6880, 7112, 7840, 8128, 8428, 8890, 9632, 10160, 10535, 10922, 10976, 12040, 12446, 13720, 13760, 14224, 14749, 15680, 16256, 16856, 17780, 19264, 20320, 21070, 21844, 21952, 24080, 24892, 27305, 27440, 27520, 28448, 29498, 31115, 31360, 33712, 35560, 38227, 38528, 40640, 42140, 43561, 43688, 43904, 48160, 49784, 54610, 54880, 56896, 58996, 62230, 67424, 71120, 73745, 76454, 81280, 84280, 87122, 87376, 96320, 99568, 109220, 109760, 113792, 117992, 124460, 134848, 142240, 147490, 152908, 168560, 174244, 174752, 191135, 192640, 199136, 217805, 218440, 219520, 235984, 248920, 267589, 269696, 284480, 294980, 305816, 337120, 348488, 349504, 382270, 398272, 435610, 436880, 471968, 497840, 535178, 568960, 589960, 611632, 674240, 696976, 699008, 764540, 796544, 871220, 873760, 943936, 995680, 1070356, 1179920, 1223264, 1337945, 1348480, 1393952, 1529080, 1742440, 1747520, 1873123, 1887872, 1991360, 2140712, 2359840, 2446528, 2675890, 2787904, 3058160, 3484880, 3495040, 3746246, 3982720, 4281424, 4719680, 4893056, 5351780, 5575808, 6116320, 6969760, 7492492, 8562848, 9365615, 9439360, 10703560, 12232640, 13939520, 14984984, 17125696, 18731230, 21407120, 24465280, 27879040, 29969968, 34251392, 37462460, 42814240, 59939936, 74924920, 85628480, 119879872, 149849840, 171256960, 239759744, 299699680, 599399360, 1198798720]

約数ペア:

[(1, 1198798720), (2, 599399360), (4, 299699680), (5, 239759744), (7, 171256960), (8, 149849840), (10, 119879872), (14, 85628480), (16, 74924920), (20, 59939936), (28, 42814240), (32, 37462460), (35, 34251392), (40, 29969968), (43, 27879040), (49, 24465280), (56, 21407120), (64, 18731230), (70, 17125696), (80, 14984984), (86, 13939520), (98, 12232640), (112, 10703560), (127, 9439360), (128, 9365615), (140, 8562848), (160, 7492492), (172, 6969760), (196, 6116320), (215, 5575808), (224, 5351780), (245, 4893056), (254, 4719680), (280, 4281424), (301, 3982720), (320, 3746246), (343, 3495040), (344, 3484880), (392, 3058160), (430, 2787904), (448, 2675890), (490, 2446528), (508, 2359840), (560, 2140712), (602, 1991360), (635, 1887872), (640, 1873123), (686, 1747520), (688, 1742440), (784, 1529080), (860, 1393952), (889, 1348480), (896, 1337945), (980, 1223264), (1016, 1179920), (1120, 1070356), (1204, 995680), (1270, 943936), (1372, 873760), (1376, 871220), (1505, 796544), (1568, 764540), (1715, 699008), (1720, 696976), (1778, 674240), (1960, 611632), (2032, 589960), (2107, 568960), (2240, 535178), (2408, 497840), (2540, 471968), (2744, 436880), (2752, 435610), (3010, 398272), (3136, 382270), (3430, 349504), (3440, 348488), (3556, 337120), (3920, 305816), (4064, 294980), (4214, 284480), (4445, 269696), (4480, 267589), (4816, 248920), (5080, 235984), (5461, 219520), (5488, 218440), (5504, 217805), (6020, 199136), (6223, 192640), (6272, 191135), (6860, 174752), (6880, 174244), (7112, 168560), (7840, 152908), (8128, 147490), (8428, 142240), (8890, 134848), (9632, 124460), (10160, 117992), (10535, 113792), (10922, 109760), (10976, 109220), (12040, 99568), (12446, 96320), (13720, 87376), (13760, 87122), (14224, 84280), (14749, 81280), (15680, 76454), (16256, 73745), (16856, 71120), (17780, 67424), (19264, 62230), (20320, 58996), (21070, 56896), (21844, 54880), (21952, 54610), (24080, 49784), (24892, 48160), (27305, 43904), (27440, 43688), (27520, 43561), (28448, 42140), (29498, 40640), (31115, 38528), (31360, 38227), (33712, 35560)]