78681120

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{23417}}^1$

素因数の和:23442

約数の個数: 96

約数和(自身を含む): 283264128

約数和(自身を除く): 204583008

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 23417, 46834, 70251, 93668, 117085, 140502, 163919, 187336, 234170, 281004, 327838, 351255, 374672, 468340, 491757, 562008, 655676, 702510, 749344, 819595, 936680, 983514, 1124016, 1311352, 1405020, 1639190, 1873360, 1967028, 2248032, 2458785, 2622704, 2810040, 3278380, 3746720, 3934056, 4917570, 5245408, 5620080, 6556760, 7868112, 9835140, 11240160, 13113520, 15736224, 19670280, 26227040, 39340560, 78681120]

約数ペア:

[(1, 78681120), (2, 39340560), (3, 26227040), (4, 19670280), (5, 15736224), (6, 13113520), (7, 11240160), (8, 9835140), (10, 7868112), (12, 6556760), (14, 5620080), (15, 5245408), (16, 4917570), (20, 3934056), (21, 3746720), (24, 3278380), (28, 2810040), (30, 2622704), (32, 2458785), (35, 2248032), (40, 1967028), (42, 1873360), (48, 1639190), (56, 1405020), (60, 1311352), (70, 1124016), (80, 983514), (84, 936680), (96, 819595), (105, 749344), (112, 702510), (120, 655676), (140, 562008), (160, 491757), (168, 468340), (210, 374672), (224, 351255), (240, 327838), (280, 281004), (336, 234170), (420, 187336), (480, 163919), (560, 140502), (672, 117085), (840, 93668), (1120, 70251), (1680, 46834), (3360, 23417)]