68300440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:297

約数の個数: 128

約数和(自身を含む): 180633600

約数和(自身を除く): 112333160

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 31, 38, 40, 52, 62, 65, 76, 95, 104, 124, 130, 152, 155, 190, 223, 247, 248, 260, 310, 380, 403, 446, 494, 520, 589, 620, 760, 806, 892, 988, 1115, 1178, 1235, 1240, 1612, 1784, 1976, 2015, 2230, 2356, 2470, 2899, 2945, 3224, 4030, 4237, 4460, 4712, 4940, 5798, 5890, 6913, 7657, 8060, 8474, 8920, 9880, 11596, 11780, 13826, 14495, 15314, 16120, 16948, 21185, 23192, 23560, 27652, 28990, 30628, 33896, 34565, 38285, 42370, 55081, 55304, 57980, 61256, 69130, 76570, 84740, 89869, 110162, 115960, 131347, 138260, 153140, 169480, 179738, 220324, 262694, 275405, 276520, 306280, 359476, 440648, 449345, 525388, 550810, 656735, 718952, 898690, 1050776, 1101620, 1313470, 1707511, 1797380, 2203240, 2626940, 3415022, 3594760, 5253880, 6830044, 8537555, 13660088, 17075110, 34150220, 68300440]

約数ペア:

[(1, 68300440), (2, 34150220), (4, 17075110), (5, 13660088), (8, 8537555), (10, 6830044), (13, 5253880), (19, 3594760), (20, 3415022), (26, 2626940), (31, 2203240), (38, 1797380), (40, 1707511), (52, 1313470), (62, 1101620), (65, 1050776), (76, 898690), (95, 718952), (104, 656735), (124, 550810), (130, 525388), (152, 449345), (155, 440648), (190, 359476), (223, 306280), (247, 276520), (248, 275405), (260, 262694), (310, 220324), (380, 179738), (403, 169480), (446, 153140), (494, 138260), (520, 131347), (589, 115960), (620, 110162), (760, 89869), (806, 84740), (892, 76570), (988, 69130), (1115, 61256), (1178, 57980), (1235, 55304), (1240, 55081), (1612, 42370), (1784, 38285), (1976, 34565), (2015, 33896), (2230, 30628), (2356, 28990), (2470, 27652), (2899, 23560), (2945, 23192), (3224, 21185), (4030, 16948), (4237, 16120), (4460, 15314), (4712, 14495), (4940, 13826), (5798, 11780), (5890, 11596), (6913, 9880), (7657, 8920), (8060, 8474)]