1311840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{911}}^1$

素因数の和:932

約数の個数: 72

約数和(自身を含む): 4481568

約数和(自身を除く): 3169728

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, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 911, 1440, 1822, 2733, 3644, 4555, 5466, 7288, 8199, 9110, 10932, 13665, 14576, 16398, 18220, 21864, 27330, 29152, 32796, 36440, 40995, 43728, 54660, 65592, 72880, 81990, 87456, 109320, 131184, 145760, 163980, 218640, 262368, 327960, 437280, 655920, 1311840]

約数ペア:

[(1, 1311840), (2, 655920), (3, 437280), (4, 327960), (5, 262368), (6, 218640), (8, 163980), (9, 145760), (10, 131184), (12, 109320), (15, 87456), (16, 81990), (18, 72880), (20, 65592), (24, 54660), (30, 43728), (32, 40995), (36, 36440), (40, 32796), (45, 29152), (48, 27330), (60, 21864), (72, 18220), (80, 16398), (90, 14576), (96, 13665), (120, 10932), (144, 9110), (160, 8199), (180, 7288), (240, 5466), (288, 4555), (360, 3644), (480, 2733), (720, 1822), (911, 1440)]