68735680

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:115

約数の個数: 168

約数和(自身を含む): 187415424

約数和(自身を除く): 118679744

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 41, 52, 62, 64, 65, 80, 82, 104, 124, 130, 155, 160, 164, 169, 205, 208, 248, 260, 310, 320, 328, 338, 403, 410, 416, 496, 520, 533, 620, 656, 676, 806, 820, 832, 845, 992, 1040, 1066, 1240, 1271, 1312, 1352, 1612, 1640, 1690, 1984, 2015, 2080, 2132, 2480, 2542, 2624, 2665, 2704, 3224, 3280, 3380, 4030, 4160, 4264, 4960, 5084, 5239, 5330, 5408, 6355, 6448, 6560, 6760, 6929, 8060, 8528, 9920, 10168, 10478, 10660, 10816, 12710, 12896, 13120, 13520, 13858, 16120, 16523, 17056, 20336, 20956, 21320, 25420, 25792, 26195, 27040, 27716, 32240, 33046, 34112, 34645, 40672, 41912, 42640, 50840, 52390, 54080, 55432, 64480, 66092, 69290, 81344, 82615, 83824, 85280, 101680, 104780, 110864, 128960, 132184, 138580, 165230, 167648, 170560, 203360, 209560, 214799, 221728, 264368, 277160, 330460, 335296, 406720, 419120, 429598, 443456, 528736, 554320, 660920, 838240, 859196, 1057472, 1073995, 1108640, 1321840, 1676480, 1718392, 2147990, 2217280, 2643680, 3436784, 4295980, 5287360, 6873568, 8591960, 13747136, 17183920, 34367840, 68735680]

約数ペア:

[(1, 68735680), (2, 34367840), (4, 17183920), (5, 13747136), (8, 8591960), (10, 6873568), (13, 5287360), (16, 4295980), (20, 3436784), (26, 2643680), (31, 2217280), (32, 2147990), (40, 1718392), (41, 1676480), (52, 1321840), (62, 1108640), (64, 1073995), (65, 1057472), (80, 859196), (82, 838240), (104, 660920), (124, 554320), (130, 528736), (155, 443456), (160, 429598), (164, 419120), (169, 406720), (205, 335296), (208, 330460), (248, 277160), (260, 264368), (310, 221728), (320, 214799), (328, 209560), (338, 203360), (403, 170560), (410, 167648), (416, 165230), (496, 138580), (520, 132184), (533, 128960), (620, 110864), (656, 104780), (676, 101680), (806, 85280), (820, 83824), (832, 82615), (845, 81344), (992, 69290), (1040, 66092), (1066, 64480), (1240, 55432), (1271, 54080), (1312, 52390), (1352, 50840), (1612, 42640), (1640, 41912), (1690, 40672), (1984, 34645), (2015, 34112), (2080, 33046), (2132, 32240), (2480, 27716), (2542, 27040), (2624, 26195), (2665, 25792), (2704, 25420), (3224, 21320), (3280, 20956), (3380, 20336), (4030, 17056), (4160, 16523), (4264, 16120), (4960, 13858), (5084, 13520), (5239, 13120), (5330, 12896), (5408, 12710), (6355, 10816), (6448, 10660), (6560, 10478), (6760, 10168), (6929, 9920), (8060, 8528)]