68719680

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{223}}^1$

素因数の和:353

約数の個数: 168

約数和(自身を含む): 239645952

約数和(自身を除く): 170926272

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 107, 120, 144, 160, 180, 192, 214, 223, 240, 288, 320, 321, 360, 428, 446, 480, 535, 576, 642, 669, 720, 856, 892, 960, 963, 1070, 1115, 1284, 1338, 1440, 1605, 1712, 1784, 1926, 2007, 2140, 2230, 2568, 2676, 2880, 3210, 3345, 3424, 3568, 3852, 4014, 4280, 4460, 4815, 5136, 5352, 6420, 6690, 6848, 7136, 7704, 8028, 8560, 8920, 9630, 10035, 10272, 10704, 12840, 13380, 14272, 15408, 16056, 17120, 17840, 19260, 20070, 20544, 21408, 23861, 25680, 26760, 30816, 32112, 34240, 35680, 38520, 40140, 42816, 47722, 51360, 53520, 61632, 64224, 71360, 71583, 77040, 80280, 95444, 102720, 107040, 119305, 128448, 143166, 154080, 160560, 190888, 214080, 214749, 238610, 286332, 308160, 321120, 357915, 381776, 429498, 477220, 572664, 642240, 715830, 763552, 858996, 954440, 1073745, 1145328, 1431660, 1527104, 1717992, 1908880, 2147490, 2290656, 2863320, 3435984, 3817760, 4294980, 4581312, 5726640, 6871968, 7635520, 8589960, 11453280, 13743936, 17179920, 22906560, 34359840, 68719680]

約数ペア:

[(1, 68719680), (2, 34359840), (3, 22906560), (4, 17179920), (5, 13743936), (6, 11453280), (8, 8589960), (9, 7635520), (10, 6871968), (12, 5726640), (15, 4581312), (16, 4294980), (18, 3817760), (20, 3435984), (24, 2863320), (30, 2290656), (32, 2147490), (36, 1908880), (40, 1717992), (45, 1527104), (48, 1431660), (60, 1145328), (64, 1073745), (72, 954440), (80, 858996), (90, 763552), (96, 715830), (107, 642240), (120, 572664), (144, 477220), (160, 429498), (180, 381776), (192, 357915), (214, 321120), (223, 308160), (240, 286332), (288, 238610), (320, 214749), (321, 214080), (360, 190888), (428, 160560), (446, 154080), (480, 143166), (535, 128448), (576, 119305), (642, 107040), (669, 102720), (720, 95444), (856, 80280), (892, 77040), (960, 71583), (963, 71360), (1070, 64224), (1115, 61632), (1284, 53520), (1338, 51360), (1440, 47722), (1605, 42816), (1712, 40140), (1784, 38520), (1926, 35680), (2007, 34240), (2140, 32112), (2230, 30816), (2568, 26760), (2676, 25680), (2880, 23861), (3210, 21408), (3345, 20544), (3424, 20070), (3568, 19260), (3852, 17840), (4014, 17120), (4280, 16056), (4460, 15408), (4815, 14272), (5136, 13380), (5352, 12840), (6420, 10704), (6690, 10272), (6848, 10035), (7136, 9630), (7704, 8920), (8028, 8560)]