1661203520

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:293

約数の個数: 224

約数和(自身を含む): 4393509120

約数和(自身を除く): 2732305600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 29, 32, 40, 43, 46, 58, 64, 80, 86, 92, 115, 116, 145, 160, 172, 181, 184, 215, 230, 232, 290, 320, 344, 362, 368, 430, 460, 464, 580, 667, 688, 724, 736, 860, 905, 920, 928, 989, 1160, 1247, 1334, 1376, 1448, 1472, 1720, 1810, 1840, 1856, 1978, 2320, 2494, 2668, 2752, 2896, 3335, 3440, 3620, 3680, 3956, 4163, 4640, 4945, 4988, 5249, 5336, 5792, 6235, 6670, 6880, 7240, 7360, 7783, 7912, 8326, 9280, 9890, 9976, 10498, 10672, 11584, 12470, 13340, 13760, 14480, 15566, 15824, 16652, 19780, 19952, 20815, 20996, 21344, 24940, 26245, 26680, 28681, 28960, 31132, 31648, 33304, 38915, 39560, 39904, 41630, 41992, 42688, 49880, 52490, 53360, 57362, 57920, 62264, 63296, 66608, 77830, 79120, 79808, 83260, 83984, 99760, 104980, 106720, 114724, 120727, 124528, 133216, 143405, 155660, 158240, 166520, 167968, 179009, 199520, 209960, 213440, 225707, 229448, 241454, 249056, 266432, 286810, 311320, 316480, 333040, 335936, 358018, 399040, 419920, 451414, 458896, 482908, 498112, 573620, 603635, 622640, 666080, 716036, 839840, 895045, 902828, 917792, 965816, 1128535, 1147240, 1207270, 1245280, 1332160, 1432072, 1679680, 1790090, 1805656, 1835584, 1931632, 2257070, 2294480, 2414540, 2490560, 2864144, 3580180, 3611312, 3863264, 4514140, 4588960, 4829080, 5191261, 5728288, 7160360, 7222624, 7726528, 9028280, 9177920, 9658160, 10382522, 11456576, 14320720, 14445248, 18056560, 19316320, 20765044, 25956305, 28641440, 36113120, 38632640, 41530088, 51912610, 57282880, 72226240, 83060176, 103825220, 166120352, 207650440, 332240704, 415300880, 830601760, 1661203520]

約数ペア:

[(1, 1661203520), (2, 830601760), (4, 415300880), (5, 332240704), (8, 207650440), (10, 166120352), (16, 103825220), (20, 83060176), (23, 72226240), (29, 57282880), (32, 51912610), (40, 41530088), (43, 38632640), (46, 36113120), (58, 28641440), (64, 25956305), (80, 20765044), (86, 19316320), (92, 18056560), (115, 14445248), (116, 14320720), (145, 11456576), (160, 10382522), (172, 9658160), (181, 9177920), (184, 9028280), (215, 7726528), (230, 7222624), (232, 7160360), (290, 5728288), (320, 5191261), (344, 4829080), (362, 4588960), (368, 4514140), (430, 3863264), (460, 3611312), (464, 3580180), (580, 2864144), (667, 2490560), (688, 2414540), (724, 2294480), (736, 2257070), (860, 1931632), (905, 1835584), (920, 1805656), (928, 1790090), (989, 1679680), (1160, 1432072), (1247, 1332160), (1334, 1245280), (1376, 1207270), (1448, 1147240), (1472, 1128535), (1720, 965816), (1810, 917792), (1840, 902828), (1856, 895045), (1978, 839840), (2320, 716036), (2494, 666080), (2668, 622640), (2752, 603635), (2896, 573620), (3335, 498112), (3440, 482908), (3620, 458896), (3680, 451414), (3956, 419920), (4163, 399040), (4640, 358018), (4945, 335936), (4988, 333040), (5249, 316480), (5336, 311320), (5792, 286810), (6235, 266432), (6670, 249056), (6880, 241454), (7240, 229448), (7360, 225707), (7783, 213440), (7912, 209960), (8326, 199520), (9280, 179009), (9890, 167968), (9976, 166520), (10498, 158240), (10672, 155660), (11584, 143405), (12470, 133216), (13340, 124528), (13760, 120727), (14480, 114724), (15566, 106720), (15824, 104980), (16652, 99760), (19780, 83984), (19952, 83260), (20815, 79808), (20996, 79120), (21344, 77830), (24940, 66608), (26245, 63296), (26680, 62264), (28681, 57920), (28960, 57362), (31132, 53360), (31648, 52490), (33304, 49880), (38915, 42688), (39560, 41992), (39904, 41630)]