405460080

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{20857}}^1$

素因数の和:20885

約数の個数: 120

約数和(自身を含む): 1412170032

約数和(自身を除く): 1006709952

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, 20857, 41714, 62571, 83428, 104285, 125142, 166856, 187713, 208570, 250284, 312855, 333712, 375426, 417140, 500568, 563139, 625710, 750852, 834280, 938565, 1001136, 1126278, 1251420, 1501704, 1668560, 1689417, 1877130, 2252556, 2502840, 2815695, 3003408, 3378834, 3754260, 4505112, 5005680, 5068251, 5631390, 6757668, 7508520, 8447085, 9010224, 10136502, 11262780, 13515336, 15017040, 16894170, 20273004, 22525560, 25341255, 27030672, 33788340, 40546008, 45051120, 50682510, 67576680, 81092016, 101365020, 135153360, 202730040, 405460080]

約数ペア:

[(1, 405460080), (2, 202730040), (3, 135153360), (4, 101365020), (5, 81092016), (6, 67576680), (8, 50682510), (9, 45051120), (10, 40546008), (12, 33788340), (15, 27030672), (16, 25341255), (18, 22525560), (20, 20273004), (24, 16894170), (27, 15017040), (30, 13515336), (36, 11262780), (40, 10136502), (45, 9010224), (48, 8447085), (54, 7508520), (60, 6757668), (72, 5631390), (80, 5068251), (81, 5005680), (90, 4505112), (108, 3754260), (120, 3378834), (135, 3003408), (144, 2815695), (162, 2502840), (180, 2252556), (216, 1877130), (240, 1689417), (243, 1668560), (270, 1501704), (324, 1251420), (360, 1126278), (405, 1001136), (432, 938565), (486, 834280), (540, 750852), (648, 625710), (720, 563139), (810, 500568), (972, 417140), (1080, 375426), (1215, 333712), (1296, 312855), (1620, 250284), (1944, 208570), (2160, 187713), (2430, 166856), (3240, 125142), (3888, 104285), (4860, 83428), (6480, 62571), (9720, 41714), (19440, 20857)]