666406320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1303}}^1\times {\mathrm{2131}}^1$

素因数の和:3450

約数の個数: 80

約数和(自身を含む): 2068415232

約数和(自身を除く): 1402008912

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1303, 2131, 2606, 3909, 4262, 5212, 6393, 6515, 7818, 8524, 10424, 10655, 12786, 13030, 15636, 17048, 19545, 20848, 21310, 25572, 26060, 31272, 31965, 34096, 39090, 42620, 51144, 52120, 62544, 63930, 78180, 85240, 102288, 104240, 127860, 156360, 170480, 255720, 312720, 511440, 2776693, 5553386, 8330079, 11106772, 13883465, 16660158, 22213544, 27766930, 33320316, 41650395, 44427088, 55533860, 66640632, 83300790, 111067720, 133281264, 166601580, 222135440, 333203160, 666406320]

約数ペア:

[(1, 666406320), (2, 333203160), (3, 222135440), (4, 166601580), (5, 133281264), (6, 111067720), (8, 83300790), (10, 66640632), (12, 55533860), (15, 44427088), (16, 41650395), (20, 33320316), (24, 27766930), (30, 22213544), (40, 16660158), (48, 13883465), (60, 11106772), (80, 8330079), (120, 5553386), (240, 2776693), (1303, 511440), (2131, 312720), (2606, 255720), (3909, 170480), (4262, 156360), (5212, 127860), (6393, 104240), (6515, 102288), (7818, 85240), (8524, 78180), (10424, 63930), (10655, 62544), (12786, 52120), (13030, 51144), (15636, 42620), (17048, 39090), (19545, 34096), (20848, 31965), (21310, 31272), (25572, 26060)]