318209920

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:245

約数の個数: 192

約数和(自身を含む): 903495600

約数和(自身を除く): 585285680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 73, 80, 98, 112, 128, 139, 140, 146, 160, 196, 224, 245, 278, 280, 292, 320, 365, 392, 448, 490, 511, 556, 560, 584, 640, 695, 730, 784, 896, 973, 980, 1022, 1112, 1120, 1168, 1390, 1460, 1568, 1946, 1960, 2044, 2224, 2240, 2336, 2555, 2780, 2920, 3136, 3577, 3892, 3920, 4088, 4448, 4480, 4672, 4865, 5110, 5560, 5840, 6272, 6811, 7154, 7784, 7840, 8176, 8896, 9344, 9730, 10147, 10220, 11120, 11680, 13622, 14308, 15568, 15680, 16352, 17792, 17885, 19460, 20294, 20440, 22240, 23360, 27244, 28616, 31136, 31360, 32704, 34055, 35770, 38920, 40588, 40880, 44480, 46720, 50735, 54488, 57232, 62272, 65408, 68110, 71029, 71540, 77840, 81176, 81760, 88960, 101470, 108976, 114464, 124544, 136220, 142058, 143080, 155680, 162352, 163520, 202940, 217952, 228928, 272440, 284116, 286160, 311360, 324704, 327040, 355145, 405880, 435904, 457856, 497203, 544880, 568232, 572320, 622720, 649408, 710290, 811760, 871808, 994406, 1089760, 1136464, 1144640, 1298816, 1420580, 1623520, 1988812, 2179520, 2272928, 2289280, 2486015, 2841160, 3247040, 3977624, 4359040, 4545856, 4972030, 5682320, 6494080, 7955248, 9091712, 9944060, 11364640, 15910496, 19888120, 22729280, 31820992, 39776240, 45458560, 63641984, 79552480, 159104960, 318209920]

約数ペア:

[(1, 318209920), (2, 159104960), (4, 79552480), (5, 63641984), (7, 45458560), (8, 39776240), (10, 31820992), (14, 22729280), (16, 19888120), (20, 15910496), (28, 11364640), (32, 9944060), (35, 9091712), (40, 7955248), (49, 6494080), (56, 5682320), (64, 4972030), (70, 4545856), (73, 4359040), (80, 3977624), (98, 3247040), (112, 2841160), (128, 2486015), (139, 2289280), (140, 2272928), (146, 2179520), (160, 1988812), (196, 1623520), (224, 1420580), (245, 1298816), (278, 1144640), (280, 1136464), (292, 1089760), (320, 994406), (365, 871808), (392, 811760), (448, 710290), (490, 649408), (511, 622720), (556, 572320), (560, 568232), (584, 544880), (640, 497203), (695, 457856), (730, 435904), (784, 405880), (896, 355145), (973, 327040), (980, 324704), (1022, 311360), (1112, 286160), (1120, 284116), (1168, 272440), (1390, 228928), (1460, 217952), (1568, 202940), (1946, 163520), (1960, 162352), (2044, 155680), (2224, 143080), (2240, 142058), (2336, 136220), (2555, 124544), (2780, 114464), (2920, 108976), (3136, 101470), (3577, 88960), (3892, 81760), (3920, 81176), (4088, 77840), (4448, 71540), (4480, 71029), (4672, 68110), (4865, 65408), (5110, 62272), (5560, 57232), (5840, 54488), (6272, 50735), (6811, 46720), (7154, 44480), (7784, 40880), (7840, 40588), (8176, 38920), (8896, 35770), (9344, 34055), (9730, 32704), (10147, 31360), (10220, 31136), (11120, 28616), (11680, 27244), (13622, 23360), (14308, 22240), (15568, 20440), (15680, 20294), (16352, 19460), (17792, 17885)]