31506475520

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{30539}}^1$

素因数の和:30606

約数の個数: 160

約数和(自身を含む): 83979624960

約数和(自身を除く): 52473149440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 256, 260, 310, 320, 403, 416, 496, 512, 520, 620, 640, 806, 832, 992, 1040, 1240, 1280, 1612, 1664, 1984, 2015, 2080, 2480, 2560, 3224, 3328, 3968, 4030, 4160, 4960, 6448, 6656, 7936, 8060, 8320, 9920, 12896, 15872, 16120, 16640, 19840, 25792, 30539, 32240, 33280, 39680, 51584, 61078, 64480, 79360, 103168, 122156, 128960, 152695, 206336, 244312, 257920, 305390, 397007, 488624, 515840, 610780, 794014, 946709, 977248, 1031680, 1221560, 1588028, 1893418, 1954496, 1985035, 2443120, 3176056, 3786836, 3908992, 3970070, 4733545, 4886240, 6352112, 7573672, 7817984, 7940140, 9467090, 9772480, 12307217, 12704224, 15147344, 15635968, 15880280, 18934180, 19544960, 24614434, 25408448, 30294688, 31760560, 37868360, 39089920, 49228868, 50816896, 60589376, 61536085, 63521120, 75736720, 78179840, 98457736, 101633792, 121178752, 123072170, 127042240, 151473440, 196915472, 203267584, 242357504, 246144340, 254084480, 302946880, 393830944, 484715008, 492288680, 508168960, 605893760, 787661888, 984577360, 1016337920, 1211787520, 1575323776, 1969154720, 2423575040, 3150647552, 3938309440, 6301295104, 7876618880, 15753237760, 31506475520]

約数ペア:

[(1, 31506475520), (2, 15753237760), (4, 7876618880), (5, 6301295104), (8, 3938309440), (10, 3150647552), (13, 2423575040), (16, 1969154720), (20, 1575323776), (26, 1211787520), (31, 1016337920), (32, 984577360), (40, 787661888), (52, 605893760), (62, 508168960), (64, 492288680), (65, 484715008), (80, 393830944), (104, 302946880), (124, 254084480), (128, 246144340), (130, 242357504), (155, 203267584), (160, 196915472), (208, 151473440), (248, 127042240), (256, 123072170), (260, 121178752), (310, 101633792), (320, 98457736), (403, 78179840), (416, 75736720), (496, 63521120), (512, 61536085), (520, 60589376), (620, 50816896), (640, 49228868), (806, 39089920), (832, 37868360), (992, 31760560), (1040, 30294688), (1240, 25408448), (1280, 24614434), (1612, 19544960), (1664, 18934180), (1984, 15880280), (2015, 15635968), (2080, 15147344), (2480, 12704224), (2560, 12307217), (3224, 9772480), (3328, 9467090), (3968, 7940140), (4030, 7817984), (4160, 7573672), (4960, 6352112), (6448, 4886240), (6656, 4733545), (7936, 3970070), (8060, 3908992), (8320, 3786836), (9920, 3176056), (12896, 2443120), (15872, 1985035), (16120, 1954496), (16640, 1893418), (19840, 1588028), (25792, 1221560), (30539, 1031680), (32240, 977248), (33280, 946709), (39680, 794014), (51584, 610780), (61078, 515840), (64480, 488624), (79360, 397007), (103168, 305390), (122156, 257920), (128960, 244312), (152695, 206336)]