64667280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1277}}^1$

素因数の和:1504

約数の個数: 80

約数和(自身を含む): 201576384

約数和(自身を除く): 136909104

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 211, 240, 422, 633, 844, 1055, 1266, 1277, 1688, 2110, 2532, 2554, 3165, 3376, 3831, 4220, 5064, 5108, 6330, 6385, 7662, 8440, 10128, 10216, 12660, 12770, 15324, 16880, 19155, 20432, 25320, 25540, 30648, 38310, 50640, 51080, 61296, 76620, 102160, 153240, 269447, 306480, 538894, 808341, 1077788, 1347235, 1616682, 2155576, 2694470, 3233364, 4041705, 4311152, 5388940, 6466728, 8083410, 10777880, 12933456, 16166820, 21555760, 32333640, 64667280]

約数ペア:

[(1, 64667280), (2, 32333640), (3, 21555760), (4, 16166820), (5, 12933456), (6, 10777880), (8, 8083410), (10, 6466728), (12, 5388940), (15, 4311152), (16, 4041705), (20, 3233364), (24, 2694470), (30, 2155576), (40, 1616682), (48, 1347235), (60, 1077788), (80, 808341), (120, 538894), (211, 306480), (240, 269447), (422, 153240), (633, 102160), (844, 76620), (1055, 61296), (1266, 51080), (1277, 50640), (1688, 38310), (2110, 30648), (2532, 25540), (2554, 25320), (3165, 20432), (3376, 19155), (3831, 16880), (4220, 15324), (5064, 12770), (5108, 12660), (6330, 10216), (6385, 10128), (7662, 8440)]