77818320

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{4003}}^1$

素因数の和:4031

約数の個数: 120

約数和(自身を含む): 271086816

約数和(自身を除く): 193268496

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 810, 972, 1080, 1215, 1296, 1620, 1944, 2160, 2430, 3240, 3888, 4003, 4860, 6480, 8006, 9720, 12009, 16012, 19440, 20015, 24018, 32024, 36027, 40030, 48036, 60045, 64048, 72054, 80060, 96072, 108081, 120090, 144108, 160120, 180135, 192144, 216162, 240180, 288216, 320240, 324243, 360270, 432324, 480360, 540405, 576432, 648486, 720540, 864648, 960720, 972729, 1080810, 1296972, 1441080, 1621215, 1729296, 1945458, 2161620, 2593944, 2882160, 3242430, 3890916, 4323240, 4863645, 5187888, 6484860, 7781832, 8646480, 9727290, 12969720, 15563664, 19454580, 25939440, 38909160, 77818320]

約数ペア:

[(1, 77818320), (2, 38909160), (3, 25939440), (4, 19454580), (5, 15563664), (6, 12969720), (8, 9727290), (9, 8646480), (10, 7781832), (12, 6484860), (15, 5187888), (16, 4863645), (18, 4323240), (20, 3890916), (24, 3242430), (27, 2882160), (30, 2593944), (36, 2161620), (40, 1945458), (45, 1729296), (48, 1621215), (54, 1441080), (60, 1296972), (72, 1080810), (80, 972729), (81, 960720), (90, 864648), (108, 720540), (120, 648486), (135, 576432), (144, 540405), (162, 480360), (180, 432324), (216, 360270), (240, 324243), (243, 320240), (270, 288216), (324, 240180), (360, 216162), (405, 192144), (432, 180135), (486, 160120), (540, 144108), (648, 120090), (720, 108081), (810, 96072), (972, 80060), (1080, 72054), (1215, 64048), (1296, 60045), (1620, 48036), (1944, 40030), (2160, 36027), (2430, 32024), (3240, 24018), (3888, 20015), (4003, 19440), (4860, 16012), (6480, 12009), (8006, 9720)]