407442960

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{20959}}^1$

素因数の和:20987

約数の個数: 120

約数和(自身を含む): 1419075840

約数和(自身を除く): 1011632880

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, 4860, 6480, 9720, 19440, 20959, 41918, 62877, 83836, 104795, 125754, 167672, 188631, 209590, 251508, 314385, 335344, 377262, 419180, 503016, 565893, 628770, 754524, 838360, 943155, 1006032, 1131786, 1257540, 1509048, 1676720, 1697679, 1886310, 2263572, 2515080, 2829465, 3018096, 3395358, 3772620, 4527144, 5030160, 5093037, 5658930, 6790716, 7545240, 8488395, 9054288, 10186074, 11317860, 13581432, 15090480, 16976790, 20372148, 22635720, 25465185, 27162864, 33953580, 40744296, 45271440, 50930370, 67907160, 81488592, 101860740, 135814320, 203721480, 407442960]

約数ペア:

[(1, 407442960), (2, 203721480), (3, 135814320), (4, 101860740), (5, 81488592), (6, 67907160), (8, 50930370), (9, 45271440), (10, 40744296), (12, 33953580), (15, 27162864), (16, 25465185), (18, 22635720), (20, 20372148), (24, 16976790), (27, 15090480), (30, 13581432), (36, 11317860), (40, 10186074), (45, 9054288), (48, 8488395), (54, 7545240), (60, 6790716), (72, 5658930), (80, 5093037), (81, 5030160), (90, 4527144), (108, 3772620), (120, 3395358), (135, 3018096), (144, 2829465), (162, 2515080), (180, 2263572), (216, 1886310), (240, 1697679), (243, 1676720), (270, 1509048), (324, 1257540), (360, 1131786), (405, 1006032), (432, 943155), (486, 838360), (540, 754524), (648, 628770), (720, 565893), (810, 503016), (972, 419180), (1080, 377262), (1215, 335344), (1296, 314385), (1620, 251508), (1944, 209590), (2160, 188631), (2430, 167672), (3240, 125754), (3888, 104795), (4860, 83836), (6480, 62877), (9720, 41918), (19440, 20959)]