72088640

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:117

約数の個数: 168

約数和(自身を含む): 196339968

約数和(自身を除く): 124251328

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 43, 52, 62, 64, 65, 80, 86, 104, 124, 130, 155, 160, 169, 172, 208, 215, 248, 260, 310, 320, 338, 344, 403, 416, 430, 496, 520, 559, 620, 676, 688, 806, 832, 845, 860, 992, 1040, 1118, 1240, 1333, 1352, 1376, 1612, 1690, 1720, 1984, 2015, 2080, 2236, 2480, 2666, 2704, 2752, 2795, 3224, 3380, 3440, 4030, 4160, 4472, 4960, 5239, 5332, 5408, 5590, 6448, 6665, 6760, 6880, 7267, 8060, 8944, 9920, 10478, 10664, 10816, 11180, 12896, 13330, 13520, 13760, 14534, 16120, 17329, 17888, 20956, 21328, 22360, 25792, 26195, 26660, 27040, 29068, 32240, 34658, 35776, 36335, 41912, 42656, 44720, 52390, 53320, 54080, 58136, 64480, 69316, 72670, 83824, 85312, 86645, 89440, 104780, 106640, 116272, 128960, 138632, 145340, 167648, 173290, 178880, 209560, 213280, 225277, 232544, 277264, 290680, 335296, 346580, 419120, 426560, 450554, 465088, 554528, 581360, 693160, 838240, 901108, 1109056, 1126385, 1162720, 1386320, 1676480, 1802216, 2252770, 2325440, 2772640, 3604432, 4505540, 5545280, 7208864, 9011080, 14417728, 18022160, 36044320, 72088640]

約数ペア:

[(1, 72088640), (2, 36044320), (4, 18022160), (5, 14417728), (8, 9011080), (10, 7208864), (13, 5545280), (16, 4505540), (20, 3604432), (26, 2772640), (31, 2325440), (32, 2252770), (40, 1802216), (43, 1676480), (52, 1386320), (62, 1162720), (64, 1126385), (65, 1109056), (80, 901108), (86, 838240), (104, 693160), (124, 581360), (130, 554528), (155, 465088), (160, 450554), (169, 426560), (172, 419120), (208, 346580), (215, 335296), (248, 290680), (260, 277264), (310, 232544), (320, 225277), (338, 213280), (344, 209560), (403, 178880), (416, 173290), (430, 167648), (496, 145340), (520, 138632), (559, 128960), (620, 116272), (676, 106640), (688, 104780), (806, 89440), (832, 86645), (845, 85312), (860, 83824), (992, 72670), (1040, 69316), (1118, 64480), (1240, 58136), (1333, 54080), (1352, 53320), (1376, 52390), (1612, 44720), (1690, 42656), (1720, 41912), (1984, 36335), (2015, 35776), (2080, 34658), (2236, 32240), (2480, 29068), (2666, 27040), (2704, 26660), (2752, 26195), (2795, 25792), (3224, 22360), (3380, 21328), (3440, 20956), (4030, 17888), (4160, 17329), (4472, 16120), (4960, 14534), (5239, 13760), (5332, 13520), (5408, 13330), (5590, 12896), (6448, 11180), (6665, 10816), (6760, 10664), (6880, 10478), (7267, 9920), (8060, 8944)]