291223980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{5717}}^1$

素因数の和:6015

約数の個数: 72

約数和(自身を含む): 886655952

約数和(自身を除く): 595431972

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 283, 566, 849, 1132, 1415, 1698, 2547, 2830, 3396, 4245, 5094, 5660, 5717, 8490, 10188, 11434, 12735, 16980, 17151, 22868, 25470, 28585, 34302, 50940, 51453, 57170, 68604, 85755, 102906, 114340, 171510, 205812, 257265, 343020, 514530, 1029060, 1617911, 3235822, 4853733, 6471644, 8089555, 9707466, 14561199, 16179110, 19414932, 24268665, 29122398, 32358220, 48537330, 58244796, 72805995, 97074660, 145611990, 291223980]

約数ペア:

[(1, 291223980), (2, 145611990), (3, 97074660), (4, 72805995), (5, 58244796), (6, 48537330), (9, 32358220), (10, 29122398), (12, 24268665), (15, 19414932), (18, 16179110), (20, 14561199), (30, 9707466), (36, 8089555), (45, 6471644), (60, 4853733), (90, 3235822), (180, 1617911), (283, 1029060), (566, 514530), (849, 343020), (1132, 257265), (1415, 205812), (1698, 171510), (2547, 114340), (2830, 102906), (3396, 85755), (4245, 68604), (5094, 57170), (5660, 51453), (5717, 50940), (8490, 34302), (10188, 28585), (11434, 25470), (12735, 22868), (16980, 17151)]