128501280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{89237}}^1$

素因数の和:89258

約数の個数: 72

約数和(自身を含む): 438515532

約数和(自身を除く): 310014252

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 89237, 178474, 267711, 356948, 446185, 535422, 713896, 803133, 892370, 1070844, 1338555, 1427792, 1606266, 1784740, 2141688, 2677110, 2855584, 3212532, 3569480, 4015665, 4283376, 5354220, 6425064, 7138960, 8031330, 8566752, 10708440, 12850128, 14277920, 16062660, 21416880, 25700256, 32125320, 42833760, 64250640, 128501280]

約数ペア:

[(1, 128501280), (2, 64250640), (3, 42833760), (4, 32125320), (5, 25700256), (6, 21416880), (8, 16062660), (9, 14277920), (10, 12850128), (12, 10708440), (15, 8566752), (16, 8031330), (18, 7138960), (20, 6425064), (24, 5354220), (30, 4283376), (32, 4015665), (36, 3569480), (40, 3212532), (45, 2855584), (48, 2677110), (60, 2141688), (72, 1784740), (80, 1606266), (90, 1427792), (96, 1338555), (120, 1070844), (144, 892370), (160, 803133), (180, 713896), (240, 535422), (288, 446185), (360, 356948), (480, 267711), (720, 178474), (1440, 89237)]